Explore our new PFAS-Free products designed specifically for PFAS testing!
  • Sign In
  • Create an Account
Toggle Nav
My Cart
My Quote
  • Compare Products
Menu
Account
Filtration Accessories
Laboratory Filtration Accessories

Filter flasks are used to collect filtrate or to act as a trap preventing liquid from damaging vacuum pump or vacuum lines.

Silicone rubber stoppers are available in various sizes

 #5 and #8b stoppers adapt 13 and 25mm filter holders to 125 ml (#5) and 1 L (#8b) flasks, while #8 stopper fits 47 and 90mm filter holders to the 1 L flask.

Funnel adapters are sold in packs of 7 (size 1 - 7).

SKU Product Name Est Ship Price
Repair Kit for new Rocker 300 167300-62-1 Repair Kit for new Rocker 300 1-2 days
$114.80
Repair Kit for Rocker 600 167600-62 Repair Kit for Rocker 600 1-2 days
$187.60
KGS47 Support Screen 304 Stainless Steel, 100 Mesh 311504 KGS47 Support Screen 304 Stainless Steel, 100 Mesh 3-4 weeks
$76.31
Fraction Receiver 25ml 311705 Fraction Receiver 25ml 3-4 weeks
$142.87
Funnel for KSF47 352601 Funnel for KSF47 3-4 weeks
$1,016.44
Stainless Steel Base KSF47 312602 Stainless Steel Base KSF47 3-4 weeks
$1,350.89
5L Side Arm Flask, Fits #13 stopper, with 5/8 1510022 5L Side Arm Flask, Fits #13 stopper, with 5/8" Tubulation 1-2 days
$203.00
Stopper #13, Natural Rubber, Fits 5L Side Arm Flask 1510030 Stopper #13, Natural Rubber, Fits 5L Side Arm Flask 1-2 days
$20.57
LF30, PES 47mm Filtration Apparatus, 300mL funnel, 1200mL waste bottle 197010-30 LF30, PES 47mm Filtration Apparatus, 300mL funnel, 1200mL waste bottle 1-2 days
$169.13
150mm Gasket (replacement part for 2050023) 1510096 150mm Gasket (replacement part for 2050023) 1-2 days
$37.75
1000cc Suction Bottle 167200-31 1000cc Suction Bottle 1-2 days
$180.00
Heavy Duty PC Waste Bottle 2000ml, with Overflow Protection, autoclavable 167200-49 Heavy Duty PC Waste Bottle 2000ml, with Overflow Protection, autoclavable 1-2 days
$170.80
Heavy Duty PP Waste Bottle 2000 ml 197202-47 Heavy Duty PP Waste Bottle 2000 ml 1-2 days
$86.10
Suction Cap for GL45 Bottle (1/pk) 197000-60 Suction Cap for GL45 Bottle (1/pk) 1-2 days
$11.20
500 ml Storage Bottle with suction cap 197000-60-500 500 ml Storage Bottle with suction cap 1-2 days
$19.60
1000 ml Storage Bottle with suction cap 197000-60-1000 1000 ml Storage Bottle with suction cap 1-2 days
$22.40
PES Vacuum Bottle, 1200 mL (including cap with suction fitting) 197000-11 PES Vacuum Bottle, 1200 mL (including cap with suction fitting) 1-2 days
$162.40
PES Waste Bottle 1200 ml 197000-12 PES Waste Bottle 1200 ml 1-2 days
$156.80
PC Waste Bottle with cover, 1200ml 197000-11-PC PC Waste Bottle with cover, 1200ml 1-2 days
$106.19
PC Cover for PC waste bottle 1200ml 197000-32-PC PC Cover for PC waste bottle 1200ml 1-2 days
$67.20
Black PP Cap for PC waste bottle 1200ml 197000-40 Black PP Cap for PC waste bottle 1200ml 1-2 days
$2.87
5000ml Storage Bottle 197000-55 5000ml Storage Bottle 1-2 days
$190.40
2000ml Storage Bottle 197000-67 2000ml Storage Bottle 1-2 days
$33.60
PP Waste Bottle 1000ml 197100-10 PP Waste Bottle 1000ml 1-2 days
$56.00
Heavy Duty PP Waste Bottle, 4000 mL w/ overflow protection, autoclavable 197200-47 Heavy Duty PP Waste Bottle, 4000 mL w/ overflow protection, autoclavable 1-2 days
$109.06
PP Waste Bottle 4000ml with Quick-Coupling Connector 197200-53 PP Waste Bottle 4000ml with Quick-Coupling Connector 1-2 days
$224.00
# 5 Silicone Stopper 167110-05 # 5 Silicone Stopper 3-4 weeks
$8.40
Continuous Filtration Kit for 1000 ml Glass Filter Holder 167210-35 Continuous Filtration Kit for 1000 ml Glass Filter Holder 1-2 days
$274.40
Continuous Filtration Kit for VF3/VF6/VF7/VF12 167210-36 Continuous Filtration Kit for VF3/VF6/VF7/VF12 1-2 days
$173.60
PP Vacuum Bottle WITH overflow protection, 1000 mL 197100-10SC PP Vacuum Bottle WITH overflow protection, 1000 mL 1-2 days
$67.20
PP Vacuum Bottle WITHOUT overflow protection, 1000 mL 197100-10SCN PP Vacuum Bottle WITHOUT overflow protection, 1000 mL 1-2 days
$61.60
Borosilicate Glass Vacuum Filter Flask, 2L, 1/4 311431 Borosilicate Glass Vacuum Filter Flask, 2L, 1/4" 5-7 days
$171.98
Borosilicate Glass Filter Flask, 250 ml, 19/22 male joint (ground glass) 311225 Borosilicate Glass Filter Flask, 250 ml, 19/22 male joint (ground glass) 5-7 days
$302.35
Borosilicate Glass Filter Flask, 1 L, 40/35 male joint (ground glass) 311425 Borosilicate Glass Filter Flask, 1 L, 40/35 male joint (ground glass) 5-7 days
$332.75
#9 Stopper, Fits 2L Side Arm Flask, Center Hole 5/8 311405 #9 Stopper, Fits 2L Side Arm Flask, Center Hole 5/8" 1-2 days
$20.57
100ml Funnel KG13A 311001 100ml Funnel KG13A 3-4 weeks
$211.18
Minimax Funnel 1.1cm2, 500mL 311005 Minimax Funnel 1.1cm2, 500mL 3-4 weeks
$391.07
Minimax Funnel 1.1cm2 EFA, 1 Liter Cap 311010 Minimax Funnel 1.1cm2 EFA, 1 Liter Cap 3-4 weeks
$520.60
13ml Microfunnel 311105 13ml Microfunnel 3-4 weeks
$164.80
Small Clamp 311003 Small Clamp 3-4 weeks
$58.92
KG13 Sintered Support Base 311002 KG13 Sintered Support Base 3-4 weeks
$322.56
KG25 Funnel, 15mL 311201 KG25 Funnel, 15mL 3-4 weeks
$152.04
KG(S) 25 Borosilicate Replacement Funnel, 150ml 311208 KG(S) 25 Borosilicate Replacement Funnel, 150ml 3-4 weeks
$456.75
KG(S) 25 Borosilicate Replacement Funnel, 300ml 311209 KG(S) 25 Borosilicate Replacement Funnel, 300ml 3-4 weeks
$458.80
KGS 25 Stainless Steel Support Screen Replacement Part 311304 KGS 25 Stainless Steel Support Screen Replacement Part 3-4 weeks
$102.07
Gasket, PTFE 311305 Gasket, PTFE 3-4 weeks
$3.33
KG25 Sintered Support Base 311202 KG25 Sintered Support Base 3-4 weeks
$251.53
KGS 25 Support Screen Base Replacement Part 311302 KGS 25 Support Screen Base Replacement Part 3-4 weeks
$160.95
Funnel 100ml Straight Wall 311408 Funnel 100ml Straight Wall 3-4 weeks
$155.42
Funnel, 500 ml Beveled 311409A Funnel, 500 ml Beveled 3-4 weeks
$383.29
47mm Funnel, 1000mL Graduated 311410 47mm Funnel, 1000mL Graduated 3-4 weeks
$426.65
47 PTFE Gasket 311505 47 PTFE Gasket 3-4 weeks
$5.18
KG47 Sintered Support Base 311402 KG47 Sintered Support Base 3-4 weeks
$291.80
47mm Base for SS/PTFE Screen 311502 47mm Base for SS/PTFE Screen 3-4 weeks
$236.05
47mm Glass Extension 2-in 311450 47mm Glass Extension 2-in 3-4 weeks
$205.38
Clamp KG90 352103 Clamp KG90 3-4 weeks
$181.47
Support Screen, Stainless Steel, 90mm (MFS) 352204 Support Screen, Stainless Steel, 90mm (MFS) 3-4 weeks
$605.29
KG90 Sintered Base 352102 KG90 Sintered Base 3-4 weeks
$745.35
KGS90 Glass Base 352202 KGS90 Glass Base 3-4 weeks
$395.22
47mm Glass Microanalysis Holder KGT 47 Replacement PTFE Support 311604 47mm Glass Microanalysis Holder KGT 47 Replacement PTFE Support 3-4 weeks
$213.91
25mm Frit to Female Joint w/Tube Adapter 311222 25mm Frit to Female Joint w/Tube Adapter 3-4 weeks
$462.45
402 Base w/Tubulated 40/35 Cap 311422 402 Base w/Tubulated 40/35 Cap 3-4 weeks
$628.40
25mm Support to Female Joint w/Tub Adapter 311322 25mm Support to Female Joint w/Tub Adapter 3-4 weeks
$328.95
502 Base W/Tubulated 40/35 Cap 311522 502 Base W/Tubulated 40/35 Cap 3-4 weeks
$500.80
Funnel 300ml PTFE Coated 351601 Funnel 300ml PTFE Coated 3-4 weeks
$262.78
47mm Glass Microanalysis Holder KGT 47 Replacement Flange PTFE 351603 47mm Glass Microanalysis Holder KGT 47 Replacement Flange PTFE 3-4 weeks
$97.11
KG 90 1,000mL Graduated Funnel 352101 KG 90 1,000mL Graduated Funnel 3-4 weeks
$459.25
KG47 Funnel 300mL 311401 KG47 Funnel 300mL 3-4 weeks
$192.67
KG47 Series Clamp 311403 KG47 Series Clamp 1-2 days
$61.19
Inlet Body, Male 301001 Inlet Body, Male 3-4 weeks
$92.22
Replacement Part for KS 13, Mesh Support, diagram item 3 301003 Replacement Part for KS 13, Mesh Support, diagram item 3 3-4 weeks
$28.24
Replacement Part for KS 13, O-ring, PTFE 19301004 Replacement Part for KS 13, O-ring, PTFE 3-4 weeks
$15.48
Outlet Body, Female 301005 Outlet Body, Female 3-4 weeks
$92.22
Inlet Body, Male 301201 Inlet Body, Male 3-4 weeks
$195.76
Replacement Part for KS 25/LS 25, Gasket, PTFE 301202 Replacement Part for KS 25/LS 25, Gasket, PTFE 3-4 weeks
$7.64
KS25 Support Screen 316SS 301203 KS25 Support Screen 316SS 3-4 weeks
$88.24
Replacement Part for KS 25, O-ring, PTFE 301204 Replacement Part for KS 25, O-ring, PTFE 3-4 weeks
$8.56
Outlet Body, Female 301205 Outlet Body, Female 3-4 weeks
$120.85
Support screen (304 SS), KST 47 (47mm) 19304703 Support screen (304 SS), KST 47 (47mm) 3-4 weeks
$554.55
Support Screen 47mm 304SS PTFE Coated 304715 Support Screen 47mm 304SS PTFE Coated 3-4 weeks
$815.80
Silicone o-ring KS 25F 357003 Silicone o-ring KS 25F 3-4 weeks
$5.58
PTFE Gasket 357004 PTFE Gasket 3-4 weeks
$6.64
Underdrain support for KS 47 F 19307204 Underdrain support for KS 47 F 3-4 weeks
$182.49
Vent valve male with PTFE packing for KS 47 357205 Vent valve male with PTFE packing for KS 47 3-4 weeks
$372.35
Vent valve O-ring (FPM) for KS 47 357206 Vent valve O-ring (FPM) for KS 47 3-4 weeks
$11.20
Valve body, female for KS 47 357207 Valve body, female for KS 47 3-4 weeks
$163.73
Gasket PTFE for KS 47 357208 Gasket PTFE for KS 47 3-4 weeks
$44.45
O-ring (silicone), KST 47 (47mm), KS 47 357210 O-ring (silicone), KST 47 (47mm), KS 47 3-4 weeks
$7.11
Downstream Support 316SS 357304 Downstream Support 316SS 3-4 weeks
$180.58
Back Pressure Support PTFE Coated 357404 Back Pressure Support PTFE Coated 3-4 weeks
$455.82
Inlet cap: Polypropylene In-line Holder (501200), 2/pk 501202 Inlet cap: Polypropylene In-line Holder (501200), 2/pk 3-4 weeks
$37.13
Outlet Base: Polypropylene In-line Holder (501200) 501203 Outlet Base: Polypropylene In-line Holder (501200) 3-4 weeks
$73.07
Silicone O-ring Base, 1/Pk 44501208 Silicone O-ring Base, 1/Pk 3-4 weeks
$67.60
Base O-ring Viton (PP47) 501210 Base O-ring Viton (PP47) 3-4 weeks
$9.78
Base O-ring EPR (PP47) 501211 Base O-ring EPR (PP47) 3-4 weeks
$9.18
Support Screen for PP25, 8/pk 540104-A Support Screen for PP25, 8/pk 3-4 weeks
$157.15
Lafil 400-LF5a, 500 Vacuum Filtration System, AC110V, 60Hz 197404-11 Lafil 400-LF5a, 500 Vacuum Filtration System, AC110V, 60Hz 1-2 days
$819.18
#9b Stopper, Fits 2L Side Arm Flask, Center Hole 3/8 311406 #9b Stopper, Fits 2L Side Arm Flask, Center Hole 3/8" 1-2 days
$20.57
Borosilicate Glass Filter Flask, 125 ml 311230 Borosilicate Glass Filter Flask, 125 ml 5-7 days
$156.24
Silicone Rubber Stoppers, #8 311404 Silicone Rubber Stoppers, #8 3-4 weeks
$28.60
#12 Stopper, fits 4L Side Arm Flask 311407 #12 Stopper, fits 4L Side Arm Flask 1-2 days
$20.57
Borosilicate Glass Vacuum Filter Flask, 2L, 3/8 1510052 Borosilicate Glass Vacuum Filter Flask, 2L, 3/8" 1-2 days
$72.25
Filtration Adaptor for VF12, Fits GL45 thread media bottle (197000-65) 197000-65 Filtration Adaptor for VF12, Fits GL45 thread media bottle (197000-65) 1-2 days
$30.80
1L Receiver Flask with Drain & Silicone Fixing Sucker (167100-15) 167100-15 1L Receiver Flask with Drain & Silicone Fixing Sucker (167100-15) 1-2 days
$140.42
Rocker Receiver Flask with Drain, 1L, Side Arm (167300-08) 167300-08 Rocker Receiver Flask with Drain, 1L, Side Arm (167300-08) 1-2 days
$109.20
300ml/ 500ml Stainless Steel Lid 180100-13 300ml/ 500ml Stainless Steel Lid 1-2 days
$97.58
Syringe Filter for lid kit 194225-01 Syringe Filter for lid kit 1-2 days
$2.87
PC Bottle, 1200ml 197000-31-PC PC Bottle, 1200ml 1-2 days
$42.00
PES Funnel, 300ml for LF3 / LF3a/ LF30 / LF31 197000-34 PES Funnel, 300ml for LF3 / LF3a/ LF30 / LF31 1-2 days
$47.60
PC Support Base for LF3 / LF5 / LF30 / LF31 197000-35 PC Support Base for LF3 / LF5 / LF30 / LF31 1-2 days
$50.40
PP Lid Kit for LF3/ LF3a / LF30 / LF31 197000-36 PP Lid Kit for LF3/ LF3a / LF30 / LF31 1-2 days
$33.60
Membrane Support Screen for LF 3/ LF 3a 197000-37 Membrane Support Screen for LF 3/ LF 3a 1-2 days
$11.48
PES Funnel, 500ml for LF5 / LF5a 197000-56 PES Funnel, 500ml for LF5 / LF5a 1-2 days
$70.00
500ml Storage Bottle 197000-58 500ml Storage Bottle 1-2 days
$11.48
Borosilicate Glass Filter Flask, 1 L, Side Arm 311430 Borosilicate Glass Filter Flask, 1 L, Side Arm 5-7 days
$34.30
Borosilicate Glass Filter Flask, 2 L, 40/35 male joint (ground glass) 311426 Borosilicate Glass Filter Flask, 2 L, 40/35 male joint (ground glass) 5-7 days
$483.44
Silicone Rubber Stoppers, #5 311004 Silicone Rubber Stoppers, #5 1-2 days
$23.05
Neoprene Funnel Adapter set of 7 (Size: 1,2,3,4,5,6,7) 311409 Neoprene Funnel Adapter set of 7 (Size: 1,2,3,4,5,6,7) 1-2 days
$19.65
Silicone Rubber Stoppers, #8b 311008 Silicone Rubber Stoppers, #8b 1-2 days
$28.31
per page
Set Descending Direction
Laboratory Filtration Accessories
Related Blog Posts

SterliTECH Tip: Key Equations for Crossflow and Forward Osmosis Systems

Filtration Resources

Monday, November 11, 2024

Membrane processes are widely used for various separation applications across a diverse range of industries. Understanding key performance parameters is crucial in the development, operation and optimization of membrane filtration processes. This article serves as a quick guide for most commonly used equations in Crossflow Filtration (Microfiltration, Ultrafiltration, Nanofiltration, and Reverse Osmosis) and Forward Osmosis applications. The following equations serve as essential tools while developing and testing membrane processes using Sterlitech products including HP4750, Benchtop Systems, Skids, cells, and kits.

Read More

Compare Products
  1. Remove This Item
Compare
Clear All
You have no items to compare.

Ask An Expert

As an industry leader focused in unique micro and sub-micron filtration products, our goal is to support our customers by keeping them at the forefront of their industries. We're here to help with any filtration questions you might have so you can transform your ideas into reality, and tackle those big science challenges. Feel free to reach out using the form below, our experts are ready to serve.
Copyright © 2026 Sterlitech Corporation All Rights Reserved.
Terms and Conditions | Privacy Policy