Air-Lock

Features: Available in sizes 1/2"-Small, 3/4"-Medium and 1"-Large Available in 3 pack and bulk Shallow screw channel for adjustable fixed positioning Deep screw channel for free-sliding between...

Air-Lock Strike Indicators Package Options  Single Pack - Comes with 3 indicators and 2 spare nuts in the package. Comes with CLEAR color option or MIX color option (One of each White, Pink...

Comes in a pack of 3. NEW DESIGN The new biodegradable foam has more benefits beyond keeping our waterways cleaner.  The new design out-performs the original plastic design in every way. 30%...

Air-Lock Strike Indicators - EVA Biodegradable (BULK) These Airlocks are sold individually. Choose your size, color, and the amount you want. These do not come with extra nuts, like the mix...