Designed for GAS MODS G.R.1 RDA, the high quality Top Cap are made from advanced PEI/POM/PC material to make G.R.1 durable. Easy to replace and clean. Gas Mods G.R.1 RDA Cap is created to match the Gas Mods GR1 RDA, and it is compatible with Gas Mods Drip Tips. Made of POM material, this durable cap creates smooth feeling. Get it for your G.R.1 RDA, it will help to bring good vaping experience for you! 810 Cap and 510 Cap are available.