HydroponicsBrands Clipper Clipper Isobutane Gas Clipper PURE 300ml The best pure Gas for BHO extraction of oil and resins. Clipper PURE contains the 98% Isobutane and less than 0.02% other residual substances. In Stock €6,80 Add to cart Isobutane Gas Clipper PURE Box - 12 bottles x 300ml 12 bottlesx300ml Isobutane Gas. The best pure Gas for BHO extraction of oil and resins. Clipper PURE contains the 98% Isobutane and less than 0.02% other residual substances. In Stock €65,28 Add to cart