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The Thermo MFG 14630 Return Air Standard Wall Frame is designed for efficient use with return air grilles. It is made from molded polypropylene to ensure durability and secure duct sealing. This frame fits either one thirty inch by six inch return air grille or two fourteen inch by six inch grilles.
Designed to seal efficiently, the Thermo MFG 14630 provides a reliable solution for return air management.
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