Auto-MAX Wall Inlets keep flow and air velocities at proper levels for a draft-free mixing of incoming air. Transitions from day to night ventilation and from season to season occur with no need for user intervention. Precalibrated at our factory, Auto-MAX inlets never require adjustment! Nothing beats Auto-MAX performance.
Made of corrosion-resistant structural foam, 647 CFM, 26.75″ long x 22.5″ wide x 12.75″ high (68 x 57 x 32 cm).
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