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iSpring HB28B 20-Inch Big Blue Water Filter Housing$72.99
20" Big Blue Water Filter Housing with Pressure Release and 1" NPT Compare to Pentek Big Blue housing, Culligan HD-950 and etc. Specification: 20" Heavy-Duty Big Blue housing Pressure Release Button 1" inlet/outlet Wrench to open and tighten the housings Maximum Temperature ...20" Big Blue Water Filter Housing with Pressure Release and 1" NPT Compare to Pentek Big Blue housing, Culligan HD-950 and etc. Specification: 20" Heavy-Duty Big Blue housing Pressure Release Button 1" inlet/outlet Wrench to open and tighten the housings Maximum Temperature: 100DegreeF (37.8DegreeC) Maximum Pressure: 90 psi (6.2 bar) Fit standard size filtration replacement cartridges: 4.5"x20".
Recommend to change cartridges every 6 months.