30 gauge sheet metal adjustable elbows (0 to 90 degrees). Sometimes referred to as a 90 or ell. 4" diameter
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LT90
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.
$18.80
a2-24-4pipe
Two foot long 30 gauge galvanized Snaplock 4 inch pipe. The seam snaps together: this makes it easy to ship multiple units.
$2.53
a7-Foil Tape
2-mil aluminum alloy foil with rubber adhesive that is UL 723 listed for duct sealing and general repairs. 2" wide by 10 yards. Aggressive adhesive seals and secures seams and joints for long term durabilty. Dead soft aluminum conforms to irregular surfaces and provides a reliable vapor barrier.