Size compatibility:Pressure Tank Covers,The bottom is 17"Dia x 32"H high degree, perfectly fit your well pressure tank ,Also compatible with 30 Gallon Pressure Tank And 202 Well Pressure Tank Please carefully check the your Vertical Pressure Well Tank size before purchasing Quality fabrics : Well Pump Pressure Tank Cover Insulated Made of high quality thickened Insulated polyester waterproof fabric, effectively waterproof and dustproof,Rust,Built-in anti-freeze felt reduces damage from frosty weather during cold winter months,Provides the most superior protection for your 20 Gallon Pressure Tank UV and Low Temperature Protection : Our 20 Gallon Pressure Tank Cover lid features a black UV-resistant waterproof coating that reflects most of the intense UV damage to the water pressure tank,The built-in felt lining is thick and effective at blocking low temperatures, protecting your well water tank and well site equipment from freezing and maintaining the normal operation of the pump's water supply system,Extend the lifespan of your well water tank and increase the pump's efficiency,The greater the reduction in capacity, the fewer the pump cycles, thereby saving energy and prolonging the pump's lifespan. User-friendly Design : 20 Gallon well pressure tank Cover The top design can be opened and closed freely and uses waterproof zipper material, so there is no need to worry about leakage,It allows you to measure the air pressure inside the pressure tank without removing the pressure tank cover,have designed Velcro on the bottom side for easy installation and use,Two elastic straps with buckles secure it firmly in place and can be adjusted to fit your pressure tank, effectively preventing wind from blowing it away. Good Shopping Experience:Our water pressure tank winter Cover Easy and quick to put on and use, If you have any questions about quality and instructions during use, we will be happy to assist you.We want our customers to be happy ❥ Excellent thick and durable fabric material, 1200D Heavy Duty weatherproof material  ❥ Color: Black  ❥ Size design:17"Dia x 32"H ( for 20 Gallon Pressure Tank And WX-202 Well Pressure Tank )  ❥ Thick water-resistant undercoating&water repellent material  ❥ Precision stitching at seams.  ❥ UV coating - protection from the sun - fade resistant  ❥ Easy to clean - wipe and let dry  ❥20 Gallon Round Water Pressure Tank Cover protected 20 Gallon Pressure Tank away from the rain, high winds and others.  ❥ Our customer service: TiantianBao is a trustworthy brand seller. We focus on product quality and customer satisfaction. For any questions regarding orders and products, please feel free to contact us for solutions.