Check the listing for details. AutoPot AirBase - Round and Square - Compatible with ALL AutoPot Systems. Color: Black, Condition: New. Listed at 17.50 USD. AutoPot AirBase Give your plants a lift with the AutoPot AirBase. The Airbase eliminates the need for a clay pebble, perlite or hydroton drainage layer at the bottom of the pot! This tough, reusable ABS plastic base will allow you to pot up your plants and clean up after the run with increased efficiency saving you time and money. This handy plate fits into the bottom of your pot during setup and mitigates the use of a drainage layer and makes setup a breeze. It has a cut out center section that is compatible with the AirDome and allows an easy integration of it however, you do not need to use the AirDome with the AirBase. The AirBase can be used on its own if desired. AirBase Square will fit our Standard 2.2 gal and 3.9 gal pots. AirBase Round will fit our XL 6.6 gal pots and 5 gal fabric Spring Pots.