3 in. Single to Double Draft Faucet Tower Adapter Bottle Fillers & Tools The AirlockRiser from Marchisio is

The AirlockRiser from Marchisio is the #1 way way to prevent leaking and excessive headspace in your variable capacity tank

Choose 720 ct or 1 lb (approx 720) package

and how to incorporate them into beer recipes

Built Right - It has enough capacity to use for primary fermentation as well as secondary

grilled burgers and rich mushroom dishes

3 in. Single to Double Draft Faucet Tower Adapter Bottle Fillers & Tools The AirlockRiser from Marchisio isAdapts your existing single faucet beer tower into a two faucet tower. Has a hole drilled in the adapter for moving your existing shank and faucet An economical way to have more beer variety on tap! For those who have an existing single faucet 3 in beer tower, we bring you this tower adapter. In addition to physically extending the height of your beer tower, It comes with a shank to which you can add a second beer faucet, and a hole drilled to move