Includes 1 replacement o-ring.  VariFlo™ XL, Magnum® R/P/PC/UP, Pac Fab 700 Glas, SwimQuip™ ABG/JW Series, JS Series.

Available with or without silicone lube used to delay o-ring rot and no clogging buildup.

Also available as a 2pk to keep a spare on hand.