MTM Hydro's PF22.2 Bottle Caps keep your excess chemical safe and airlocked for the next cleaning! These bottle caps are imported from Italy and have been manufactured with the precise threads required to maintain a water tight seal for your favorite liquids.

As of July 15th, 2020 all versions of PF22.2 foam cannons and Magnum kits will have caps included in the box.

Caps are currently included in the 3-pack and 5-pack of bottles.