EPA certification OR resale assertion is required to acquire our refrigerant. Please choose an image of your respective EPA certification or maybe the certification in the technician who's installing the refrigerant and email it to [email protected] immediately after placing your purchase. Helium was used in the giant Saturn V rockets https://r141br404ar134ar22r410aga48146.fireblogz.com/50152606/considerations-to-know-about-buy-ac-refrigerant-gas