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✓ OEM Hanna formulation ✓ Maintains probe accuracy ✓ Easy refill procedure
Pre-filtration with 5-micron sediment and activated carbon is strongly recommended to protect the resin bed from fouling and extend service life
Replace the filter annually even if gallons not reached to maintain lead reduction and microbiological protection
Housing Compatibility Standard 20" filter housings
iron filter systems
Watts AquaLock - Large Diameter Union Check Valve Quantity:Pack of 10 ✓ OEM Hanna formulation ✓The Watts AquaLock Large Diameter Union Check Valve prevents backflow in residential and commercial water filtration systems with a reliable, tool free connection design. Compatible with copper, CPVC, PEX, LDPE, MDPE, HDPE, and polypropylene tubing across a wide range of pipe sizes from 1 4" to 2" NPT. SPECIFICATIONS Watts AquaLock Check Valve Core Specs Brand Watts Water AquaLock series Product Line AquaLock Union check valve Valve Type Check Valve
