Air-Conditioner Drain Hose connector and Flexible Water Drain Hose Features: Simple and effective part for draining the condensate Special design to prevent leakage Make of high-quality PVC material light weighted and durable weather resistant. Connection hole size is 0.6in/15mmthe air conditioner drain hose inner diameter 5/8 inch and outer diameter 3/4 inch some simple DIY is expected if this drain hose connector doesn’t match your condensate hole. Inside the package: 1* drain hose connector