Nitro Supra 30ml Isobutyl Nitrite Solvent Cleaner from Poppers Los Angeles. Nitro Supra 30ml Isobutyl Nitrite Solvent Cleaner from Poppers Los Angeles will turn you into a lean, mean cleaning machine with its gargantuan power. It works with such speed it will knock your mind for a loop and send you to places you've never been to before. It's so much fun working with your fellow partner cleaning up the mess of a long, pleasurable night with Nitro Supra 30ml. It works with such speed that you will have your cleaning behind you in no time at all. Use this only if you are a real man as it is very powerful and will give you a glow afterwards. Clean intelligently.