SWCB2020 20SQX 20" Round Ceiling Box. This Particular HVAC (Heating, Ventilation and AC) product is designed for light commercial and residential applications. This Round Ceiling Box is designed to withstand the rugged demands of continuous gas ventilation and to increase safety, ventilation and appliance efficiency. This SWCB2020 20SQX 20" Round Ceiling Box is designed and built to exhaust air from gas fireplaces, gas-fired furnaces, kitchens, gas water heaters, and wall heater applications. This SWCB2020 20SQX 20" Round Ceiling Box is designed to stay cool on the outside and provide a hot draft on the inside. This Ceiling Box provides a positive connection between the support box and vent pipe. This round ceiling box, like other duct-work products, features a slip-fit connection, durable sheet metal body, and easy size identification. This Round Ceiling Box comes in a convenient size that assembles and installs with ease. Generally these galvanized HVAC Products are designed to last for 25 + years.
