| Reusable Bottletop Filters, NALGENE®, IDL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
(1) Polysulfone (PSF) bottle-top filters with silicone O-Ring Can be autoclaved repeatedly, intended for use with threaded 33 or 45 mm dia. media bottles. Suitable for pressure and vacuum filtration up to 0.6 bar. Non-breakable, non-toxic. Includes seal, cap and tubing adapter made of polypropylene. 2 filter upper sizes available (250 or 500 ml), which accept 47-mm or 50-mm membranes.
(2) Polysulfone (PSF) filter holder with filtrate bottle You will no longer need to use stainless-steel vessels or breakable glass Büchner flasks. Graded filtrate bottle. Two connectors for connecting the tubes to negative pressure or syringe filter. A cotton plug can be inserted into the hose adapter for sterile aeration. Tubes of an inner diameter of 6 to 8 mm can be connected to the adapter. Closed with a cap, the sterile filtrate can be stored in the bottle for greater user comfort. Autoclavable, graded, patented.
(3) Polysulfone (PSF) filter holder with funnel Suitable for use on filter bottles or suction devices together with an appropriate rubber stopper with bore hole. Supplied with an easy-to-use, non-twisting NALGENE vacuum seal that may be used instead of a rubber stopper no. 7 or no. 8 with 15 mm bore hole. Autoclavable, patented.
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