3-Stage 20x4.5 Big Blue Water Filter Housings with Filter Stand and Pressure Gauge

ROYOL water 3-Stage 20" Blue Big Blue Filter Housing System, complete with pressure gauges, filter wrench and standalone white metal frame for wall or floor mounting.

Constructed of food-grade reinforced PP for high-flow residential & commercial filtration. Double NBR O-rings plus top pressure relief valve deliver leakproof sealing and safe cartridge replacement.

Fits all 20" Big Blue cartridges including PP, CTO, UDF, composite and anti-scale filters for tap & well water.

Brass (3/4",1") and plastic (1",1.5") port options fit worldwide plumbing standards. Ideal for whole house pre-filter, well water, restaurant use, RO pre-treatment and irrigation; 10" size is also available.

• Complete Set Configuration:The system comes with three 20-inch blue filter housings, dual-O-ring equipped pressure gauges for water pressure monitoring, one filter wrench and a standalone white metal frame, delivering high-volume water filtration capacity.
• Double-Seal Leakproof Construction:Dual-layer upper & lower NBR rubber gaskets ensure tight threaded sealing to eliminate leakage. A built-in pressure relief valve on the top cap enables safe pressure release and water draining before housing opening.
• Full Compatibility with All Filter Cartridges:Fits all standard 20-inch Big Blue cartridges including PP, CTO, UDF, composite and scale-inhibiting types; flexible cartridge combinations available for well water or municipal tap water per actual needs.
• All-in-One Metal Mount Bracket: Integrated dual-hole metal bracket supports both wall mounting and floor standing. Easy installation for household, commercial and irrigation applications.
• Versatile Port Options: Brass ports in 3/4" & 1", plastic ports in 1" & 1.5" are optional, compatible with mainstream plumbing standards across Europe, America, the Middle East and Southeast Asia for global export.
• Heavy-Duty High-Flow Build: Robust 20-inch housings constructed from premium reinforced polypropylene; the separate white metal frame forms a sturdy base for the whole filtration unit.
• Food-Grade Safe Material: All three housings adopt food-grade raw materials. When matched with selected filter cartridges, they reliably produce safe improved drinking water quality.
• Wide Application Scenarios: Whole-house pre-filtration, well water purification, restaurant & commercial water treatment, pre-filter pretreatment for RO systems, as well as garden irrigation filtration.
• Filter Housing Specification: Made of durable polypropylene (PP), available in 10-inch and 20-inch sizes.