Optipure 252-10410 S5-20B Prefilter Cartridge 000 gal @ 7.0 gpm The specific blend of calcite

The specific blend of calcite and corosex corrects the pH over a more extended range

The Procon Pump NSF Brass 125 GPH 3/8" NPT - 250 psi PRV w/

and a rugged impact proof base is included

Top port fitting: Stainless steel reinforced

Optipure 252-10410 S5-20B Prefilter Cartridge 000 gal @ 7.0 gpm The specific blend of calciteThis Optipure 252 10410 S5 20B Prefilter Cartridge is a 4. 5 x 20 Drop In, extra high capacity PolyTrix dual gradient density filter cartridge that reduces sediment down to 5. 0 microns. Features: PolyTrix gradient density depth filtration reduces dirt, rust, and other debris as small as 5 microns to assure clean, clear water and protect solenoids, valves and other fittings against wear and plugging. Filters out larger dirt and sediment particles to