The KQ-X1744 fittings are made from weather-resistant POM black pigment.  The KQ-X1744 are perfect for applications which require improved weather resistance in outdoor environments.  One-touch technology makes tube insertion (with strong tube holding force) and removal easier.  KQ-X1744 meets ISO 4892-3 (JIS K 7350-3), ISO 14993 (JIS H 8502: 1999), and ISO 1431 (JIS K 6259) standards.