aesPRES UNIKO Gashttps://www.racmet.com/en-ww/aespres-uniko-gas.aspx Products > Pressfittings > aesPRES UNIKO Gas aesPRES UNIKO Gas Press-fitting systems in copper and brass/bronze for gas aesPRES UNIKO GAS is the press-fitting system by Raccorderie Metalliche, developed for all applications involving methane gas, LPG, and hydrogen. ... The material of aesPRES UNIKO GAS [...]