FA 10" SX Filter Cartridges - 25 micron (Multi-pack)INSTALLATION & USEPlease note: If we do not have stock available to fulfill your order we may send an equivalent product of equal or better specifications.  Atlas Filtri FA Polypropylene Wound Thread Cartridge - for Sediment Filtration down to 25 MicronRE5115411 - FA 10 SX 25 mcrTo fit all Atlas Filtri SX 10" Housings as well as most standard housings available on the market.- All SX sediment cartridges now have brand new grey flat gaskets with antimicrobial protection to fight the risk of microbial attack- Quick-fitting double o-ring cartridges ensure a perfect watertight fit, are simple for maintenance operations, eliminate wrong positioning, and are safer for micro-filtration.- FA filter cartridges are made with polypropylene thread wound on polypropylene or reinforced polypropylene inner core.- The wound thread cartridges are a heavy-duty sediment filter to remove scale, sand, lime, rust, and other fines for filtration and pre-fil