Check the listing for details. Hydro-Genics Stainless Steel Cleanable Filter, 20" length, 4.3"OD, 25 micron. Condition: New. Listed at 131.50 USD. Stainless Steel Cleanable Screen Filter Cartridge, 20" length, 4.3"OD, 25 micron, Hydro-Genics®For BB-sized (Big Blue) housings accepting cartridges with 4" to 4.5"OD Model: #EC90J-2025 Dimensions: 20” length x 4.3”ODNOTE: 10" length and other micron ratings are also available from the seller. FUNCTION: Stainless steel mesh screen provides high-efficiency reduction of particles >25 microns. Easily cleaned & re-used indefinitely. Fits standard Big Blue sized filter housings.CONSTRUCTION: Rugged triple-layer stainless steel screen mesh structure. 300 micron woven mesh over 25 micron rated efficiency layer over a perforated core. Silicone sealing gaskets.APPLICATIONS: Excellent for removing sand, grit, and other solids from water or industrial process fluids. Suitable for potable water, food & beverage products, whole house filtration, and a broad range of general industrial uses. Provides high flow to 40 GPM at low pressure drop (