Conduit Seal-Off 3-1/2"
Securely fits into a duct with a turn of the wing-nut handle, expanding the two rubber plugs for a firm seal. 15 psi (1 bar) maximum.
Order before 12 pm EST, we ship the same day. Speak to a Craftworktools customer service representative
toll-free at 1-877-511-0677 (M-F 8:00 am to 5:00 pm Eastern time).