商品介紹
Features:
- High impact polystyrene collars are rugged for reliable performance
- Preassembled, sterile, individually bagged to ensure sample integrity
- Adapters accommodate No. 8 stoppers for use with 0.5 in. hole in vacuum manifolds or filter flasks
- 47mm diameter cellulose nitrate membrane is certified for water quality work
- 250mL sizes are useful when testing beverages that may foam
- Cat. No. 147-0045 features gray membrane that turns black when wet, making it easier to detect and count growing colonies
Note: Designed for single use only
Includes: Six funnel adapters with each case
