Air Conditioner Vent Hose Pipe Adaptor Reducer Ring (4 / 100mm to 6 / 152mm) Brand new, premium quality pipe adaptor connector for use with your air conditioning unit. With this reducer ring, you can easily vent the air from your 6 / 152mm air conditioner duct into any compatible 4 / 100mm vent hose without the need for further fixings by simply joining the connector to each end. Specifications: Outer Diameter: 6 / 152mm Inner Diameter: 4 / 100mm Material: Plastic Colour: White Fits models: UNIVERSAL Fits all brands and models of air conditioning units with a 6 / 152mm vent duct and connects to any vent hose with a 4 / 100mm diameter.