SMC (6890590) 689 Series T-Link Feed Valve 1/2" FPT x 1/2" MPT x 1/4" NPT NSF Omnipure (Q5321-P) 6"x2.5" Diameter Q-Series 10 Micron Carbon Block with Phosphate AK4021TF 4" × 21" Low

AK4021TF 4" × 21" Low Pressure Thin-Film Composite Membrane

Always support the element along its full length when installing or removing it

Visual exhaustion indicator changes color as resin capacity is depleted

Proven Performance

Replacing Your UV Lamp

SMC (6890590) 689 Series T-Link Feed Valve 1/2" FPT x 1/2" MPT x 1/4" NPT NSF Omnipure (Q5321-P) 6"x2.5" Diameter Q-Series 10 Micron Carbon Block with Phosphate AK4021TF 4" × 21" LowSMC 689 Series T Link Feed Valve 1 2" FPT x 1 2" MPT x 1 4" NPT NSF certified PVC valve engineered for reverse osmosis and ice maker installations with versatile configuration options NSF Standard 42 125 PSI Gray PVC WHY IT WORKS Built for Multiple Configurations in Commercial and Residential Water Systems Three Port Design SMC 6890590 T Link configuration with 1 2" FPT, 1 2" MPT, and 1 4" NPT connections allows flexible installation for RO feed, ice