$14.99at KlymitBuyKlymitStandard Cap$14.99Klymit$14.99BuySaveShareKlymit profileThe creators who use it, or GearCred, may earn a commission when you buy through these links, at no extra cost to you.From KlymitStandard 2.25 inch cap for large top port. Fits all WaterPORT(TM) tanks.