Sterlitech glass filter holders are reusable, easy to clean, and composed of chemically resistant borosilicate glass. Filter holders include funnel, clamp, base, and stopper. Assemblies include filter holder, receiving flask, and adapter.
We offer a variety of membrane support materials and funnel sizes for glass holders and assemblies:
- Sintered glass support is recommended for low pH solutions and exhibits lower flow rates than other materials (KG models)
- Stainless steel support maximizes flow rate with viscous solution and doesn’t shed particles (KGS)
- PTFE support has high chemical compatibility and higher flow rates, can be used interchangeably with the stainless steel option (KGT)
Accessory
Applications
- DNA/RNA and protein filtration
- Gravimetric analyses
- Sterility and microbial testing, colony counting
Rocker VF series Glass Filter Holders
Filter Size (mm) | 25 | 25 | 47 | 47 | 47 | 47 | 90 | 90 | 90 |
---|---|---|---|---|---|---|---|---|---|
Model No. | |||||||||
Support Material | Sintered glass | SS with PTFE gasket | Sintered glass | SS with PTFE gasket | Sintered glass | Sintered glass | SS316 | Sintered glass | Sintered glass |
Funnel Capacity (ml) | 15 | 15 | 300 | 300 | 300 | 300 | 1000 | 1000 | 1000 |
Funnel Material | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass |
Stopper Material | Silicone stopper | Silicone stopper | Silicone stopper | Silicone stopper | N/A | Silicone stopper | Silicone stopper | Silicone stopper | Silicone stopper |
GL45 Filtration Adaptor Material | N/A | N/A | N/A | N/A | N/A | PP (autoclavable) | PP (autoclavable) | PP (autoclavable) | PP (autoclavable) |
Clamp | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum |
Filtration area (cm2) | 2.2 | 2.2 | 9.6 | 9.6 | 9.6 | 9.6 | 40.6 | 40.6 | 40.6 |
Flask Capacity (ml) | 125 | 125 | 1000 | 1000 | 1000 | 1000 | 5000 | 5000 | 3500 |
Flask Material | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass | Borosilicate glass |
Specifications
|
KG, KGS, KGT, and GF Models |
150 mm Assembly | |||
---|---|---|---|---|---|
Filter size (mm) |
13 (will accept 25 mm) |
25 |
47 |
90 |
150 |
Support Material |
Sintered glass |
Sintered glass |
Sintered glass |
Sintered glass |
PTFE-coated Stainless Steel |
Funnel Capacity |
13/100, 100, 500, 1000 mL |
15, 150, 300 mL |
100, 300, 500, 1000 mL |
1000 mL |
2000 mL |
Funnel Material |
Borosilicate glass |
Borosilicate glass |
Borosilicate glass |
Borosilicate glass |
Borosilicate glass |
Stopper |
#5 Silicone rubber for 125 mL flask |
#5 Silicone rubber for 125 mL flask |
#8 Silicone rubber for 1 L flask | #8 Silicone rubber for 1 L flask |
N/A |
Clamp |
Anodized aluminum |
Anodized aluminum |
Anodized aluminum |
Anodized aluminum |
Anodized aluminum |
Filtration area (cm2) |
1.2 |
2.1 |
9.6 |
43 |
N/A |
Related Video Link:
1. https://www.youtube.com/watch?v=gq-V9cmocbg for VF6/7/3
2. https://www.youtube.com/watch?v=fqd7fWUkv4U for VF12/15/16/17