Features: Improve your ventilation system with durable plastic Air ventilation hose connector. Made from durable ABS material, this connector offersreliable performances. Suitable for a wide indoor ventilation equipment, it serves as an efficient air inletand outlet system. Easy to install, it is perfect for connecting intake and exhaust ducts in various settings. Suitable for use with 8x8cm heat dissipation convenient for connecting air ducts Square mouth connection 8x8cm heat dissipation fan, circular pipe connection air duct Specifications: Material：Plastic Quantity：1PC Types: Round with Mesh/ Round without Mesh/Pointed with Mesh Round with Mesh Size:approx Square Mouth approx 8x8cm/3.15x3.15in Height approx 4cm/1.57in Tube diameter approx 7.5cm/2.95in Round without Mesh Size:approx Square Mouth approx 8.6x8.6cm/ 3.38x3.38in Height approx 4.2cm/1.65in Tube diameter approx 7.2cm/2.83in Pointed with Mesh Size: approx Square Mouth approx 8x8cm/3.15x3.15in Height approx 8cm/3.15in Tube diameter approx 5.2cm/2.05in Package Includes: 1PC Exhaust Duct note: Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks! Due to manual measurement, please allow an error of 0-1cm. Please make sure you do not mind before bidding.