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

http://www.alibaba.com/showroom/r12_refrigerant.html

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

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

http://www.alibaba.com/showroom/Refrigerant_R12/2.html

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

http://www.auto-associates.com/

http://www.handsontools.com/RTI-TC670E-R12-Single-Refrigerant-Recovery-Recycling-Vacuuming-Charging-Machine_p_95-175.html

http://www.freeze12.com/

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

http://www.redtek.com/win_12a_prod.html

http://www.autobodypro.com/safety/articles/0031.htm

http://www.freshdeals.com/prods/auto-refrigerant.html

http://www.neutronicsinc.com/news/refrigerant/March06/Gary.html

http://www.automotivehelper.com/topic708493.htm