These dispensers have no stopper or cap to remove. Just touch the dispensing dish with a brush, cloth or other applicator and solvent is brought to the surface the instant it is needed. Stainless steel valves seal contents in bottle until used, preventing spills, dripping and escaping fumes from endangering the technician. Fluid pumped into the dish does not drip back into the bottle, keeping stored liquids uncontaminated. Bottles are available in a variety of sizes, in version standard or anti-splash (AS). Made of anti-static plastic with PTFE tube. Surface resistivity of 10E10.