Selling my Beer Aeration kit on ebay: $40 buy it now with free shipping to lower 48 USA. Bid starts at $20.
http://www.ebay.com/itm/231172749949?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
O2 regulator, hose and micro porous diffusion stone.
Home brew or hardware stores will...