http://www.refrigerant-supply.com/

http://autos.yahoo.com/maintain/repairqa/fluids_heat_air_conditioning/ques023_0.html

http://www.shopping.com/xGS-Refrigerant_R12

http://search-desc.ebay.com/search/search.dll?query=r12+refrigerant\'&newu=1&krd=1&sosortproperty=32&sosortorder=2

http://www.aa1car.com/library/retrofit.htm

http://www.alibaba.com/showroom/R12_Refrigerant.html

http://www.shop.com/Refrigerant+R12-Tools?g=1&k=24

http://www.fm-distributing.com/

http://www.allpar.com/eek/ac.html

http://www.alibaba.com/showroom/R12_.html

http://www.smarter.com/---se--qq-R12+Refrigerant.html