Rotomolded Cooler replacement vacuum release knob.

Fits:

Fatboy, Milee, Big Frig, Bird Dog, Elkton, KUER, Seavilis, Viking, XSpec, Treeline, Icer, Vibe, Yak, Gatr, nICE, Thermik, Permafrost, Freak, Manta, Cryo, Driftsun, Meadowcraft, OVO, Swamp Gear, Nanuq, Legend, Wyld, Avenger, Twin Peaks, and Epic