Comes with tape and gloves to help you install better and protect you from cuts, Our microwave vent kit (rectangular to round duct) is more than just a simple connector; this galvanized transition piece is an essential component of your ventilation system, connecting seamlessly to your exhaust fans, dryer vent covers and vent seals. our galvanized steel duct efficiently serves your 3-1/4inch x 10inch pipe and 4inch round pipe; The compact yet effective design ensures a leak-free connection and occupies less space in your ventilation system, providing you with a functional solution to all your air circulation needs. the galvanized round transition is crafted from galvanized plates ensuring sturdiness and durability; the product's waterproof and rustproof properties contribute to prolonged durability in varied environments. Under continuous exposure to sunlight and rainfall Our products also long term reliability. Our microwave vent kit features a smooth interior with a reasonable curvature; this design reduces wind resistance, thereby improving air flow and increasing the overall efficiency of the ventilation system; the duct provides an efficient air exhaust solution to improve your indoor air quality. the duct rectangular to round comes with an easy installation process , the galvanized round transition before use,then connect one end to the hose and fix it with aluminum foil tape another end can be fixed on the square pipe with screws, finally, install the clamp and tighten the screws; The easy setup process not only saves time but also ensures a suitable fit for good performance. Color: As Shown Material: Metal Package Contents: 1 x tape 1 x gloves 1 x vent seal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.