Be In Your Mind 4Pcs 12mm One Way Check Valve Air Water Gas Plastic Non Return for Treatment Purification

The check valve are made of plastic material, durable and compact, it can prolong the product service life. Medical grade material, safe and nontoxic, perfect for water pipe fitting. Strong resistance to acid, alkali, salt corrosion ability, can be used for different types of liquid. Normal performance under 25 ? to 60 ?. Used in fluid systems to prevent reverse flow of fluids or in pneumatic systems to prevent reverse flow of compressed air. Widely used in water treatment, air purification, automotive parts, machinery industry, medical equipment, household appliances and other fields., Manufacturer: Be In Your Mind