The Delta 1 Carbon/Polypropylene Water Filter Elements fit 99% of all filter housings. These filters will help keep your darkroom water supply clean and sediment free, for archival washing of prints and mixing solutions.
Delta 1 Filter Elements are 9-3/4" standard 5 micron cartridges made from spun polypropylene.
Combination carbon cartridge & polypropylene lasts 30% longer than standard cartridges
Recommended for color chemistry and drinking water