Integral bracket (IB) versions available. Available in 10" and 20”, clear and opaque sumps. Buttress threads and uniform walls for easier cartridge change andimproved strength. Accepts proprietary Seal-Safe™ double o-ring sealing cartridges as wellas standard DOE cartridges. Caps available with differential pressure meter option (IBMM cap). Improved pressure-relief/bleed button option available. Leak-proof sealing with top-seated floating Buna-N o-ring. Clear housings offer on-site examination of cartridge. This design features integral brackets, 20" clear housings, and caps for differential pressure gauges. The 3G housing accepts standard double open end (DOE) and our Seal-Safe™ o-ring sealing cartridges. The new Seal-Safe™ o-ring design offers enhanced cartridge sealing for critical cartridge applications