Professor Foam Mixing Chamber AR4242 kit compatible with Graco Fusion AP Broaster A-Quality o-rings = 2 of

A-Quality o-rings = 2 of 248128 / 7554-07 / 23974-07

SP4020x25(ns)/2(ns)

975 Inches | Outside Diameter:8-1/2 Inches | Item Width String:0

If you have the older OB1 Whole House Filter with original color BLUE o-rings

Professor Foam Mixing Chamber AR4242 kit compatible with Graco Fusion AP Broaster A-Quality o-rings = 2 ofRound Mix Chamber. Includes drill bits and 1 set of Delrin side seals with A Quality o rings. Delrin side seals do not scratch new mixing chambers. If inserted in used mixing chambers, any existing debris or scratch in the used mixing chamber will affect Delrin. A Quality o ring has a higher resistance to chemical than the standard Buna and or FKM compatible to Viton.