Z-Flex 4” Z-Vent Adjustable Wall Thimbles (10” x 10”)

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The 2SVSWTF04 from Z-Flex is a 4” Z-Vent Adjustable Wall Thimbles (10” x 10”) (Adjust from 4” to 7”). It's a factory built, engineered AL29-4C special gas vent pipe, suitable for positive or negative pressure. Z-Vent is UL tested and listed to UL1738/S636. CAT II, III, IV venting approved.

Flashing for use in flat roof or chimney application.