4/6/8/10/12 mm pipe fittings with air inlets for pipes and water push in the hose. Coupling made of PU/PY/LSA/PK/PE/PZA/PM(PE,14). This product is a PU/PY/LSA/PK/PE/PZA/PM(PE,14) type coupling designed for 4/6/8/10/12 mm pipe fittings with air inlets for pipes and water push in the hose. The 4/6/8/10/12 mm pipe fittings have air inlets for pipes, water push in the hose, and are of the coupling type PU/PY/LSA/PK/PE/PZA/PM(PE,14). Benefits and use cases - Reliable connections for 4/6/8/10/12 mm pipes with built in air inlets and a water push in the hose, reducing leaks and setup time. - Versatile compatibility with multiple pipe sizes in one coupling family (4/6/8/10/12 mm). - Solid construction from the PU/PY/LSA/PK/PE/PZA/PM(PE,14) materials ensures durability in wet or humid environments. Applications - Garden and agricultural irrigation systems using 4/6/8/12 mm tubing. - Small workshop setups that require quick, secure water and air hose connections. - Laboratory or educational benches for fluid or air line experiments and demonstrations.