TapRack Refillable Propane SystemFinally, a refillable 1 lb. Propane Bottle thats safe, easy, and saves you money. The days of single use green 1 lb bottles are over. Propanes been stuck in two clunky options for years: big refillable tanks that are cheap but a hassle to haul, or little green bottles that are convenient, but trash for the planet. Some folks try refilling the small ones at home, which, honestly, is dangerous, messy, and often illegal. TapRack changes the game. Its