Check the listing for details. Enviro-Safe R-290 Refrigerant with Proseal and Dry with Top tap. Condition: New. Listed at 19.99 USD. 1 can of 290 with Proseal and Prodry and can top Our newest can! You can now charge in an upright position!Note: when charging in an upright position you need to CHARGE AS A LIQUID!Perfect for using with a scale!EPA approved R290 for use as per EPA regulations 40 CFR Part 82.17Designed for use in refrigeration units calling for R290May be used in domestic refrigerators, freezers, dehumidfiers and window ac unitsAlso used in industrial applications: ice machines, grocery stores freezers, refrigerators, restaurant equipment, wine coolers, beer kegs, soda machines, drinking fountains, etc.Proud to be a family owned business since 1996! The oldest hydrocarbon refrigerant manufacturer in North America.This product is flammable and you must use caution when installing this product.This product is flammable to open flame or spark and is not intended for use in systems designed for non-flammable refrigerants.