Neo-Pure 7 Round Multi-Cartridge Filter Housings are American-made housings constructed with heavy-duty 304L or 316L stainless steel for the heavy usage that commercial and industrial filtration applications demand. Neo-Pure housings offer V-band clamp and swing bolt closures for quick and easy access to cartridges for change-outs. These housings come in various sizes, holding seven filter cartridges from 10" to 40" lengths for a wide option of flow rates. 7 Round housings accept double open ended and 222/FLAT or FIN cartridges. Standard 7 Round Multi-Cartridge housings are in stock and ready to ship. Fresh Water Systems also carries all of the replacement filter cartridges needed to keep your Neo-Pure housing filtering at its best.