One Model 4D Downbox - 22 Ga. deep drawn recessed dryer vent box with gas port, measures 4 1/4 inches deep from nailing flange. Mostly for 2x6 construction but will also fit into a 2x4 wall that has been firred out with one 1x2 firring strip.
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90 Degree Long Turn Dryer Elbow - The equivalent of straight pipe based on ASHRAE methodology for calculating friction loss, this is a great alternative to booster fans. The Dryer-Ell provides a net gain of approximately 4.5 feet in allowable duct length when used as a replacement to the standard 4” ell used in the dryer venting trade. 28 Gauge, ships in two pieces to be assembled in the field. NOTE:Click here (PDF), for Model 4D when used with the Long Turn Dryer-Ell Link to Engineering and Specs Click Here. Contact James for Distributor Pricing or larger quantities.
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One Model 425 Dryerbox - 22 Ga. deep drawn recessed dryer vent box with gas port, measures 4 1/4 inches deep from nailing flange. Mostly for 2x6 construction but will also fit into a 2x4 wall that has been firred out with one 1x2 firring strip.
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4D-5 kit
Carton of five Model 4D Down-Boxes - 22 Ga. deep drawn recessed dryer vent box with gas port, measures 4 1/4 inches deep from nailing flange. Mostly for 2x6 construction but will also fit into a 2x4 wall that has been firred out with one 1x2 firring strip.