Clack (H4500-48) Air Check, 1/2” x 48” 1020518; 1019444; 1019311; 1019309; 1019307; 1019305; 1019303; 1019301; 1019299 Both KDF-55 and coconut shell

Both KDF-55 and coconut shell carbon meet NSF/ANSI standards for drinking water treatment

Also referenced as RISER-1-65 in some parts catalogs

and maintain manufacturer warranty compliance on your water treatment equipment

and ferrule needed to properly install or service a black air gap faucet

Clack (H4500-48) Air Check, 1/2” x 48” 1020518; 1019444; 1019311; 1019309; 1019307; 1019305; 1019303; 1019301; 1019299 Both KDF-55 and coconut shellClack Corporation Clack H4500 48 Air Check Assembly 1 2" diameter air check tube for iron filter and aeration systems OEM Part 48" Length 1 2" Diameter The Clack H4500 48 air check is a replacement component designed for use in Clack iron filter control valves and aeration systems. This 48 inch tube with integrated check valve prevents backflow of air during regeneration and service cycles. SPECIFICATIONS Technical Details Model Number H4500 48 Tube