For 3″ PVC systems: start with SUPER SHIM SMALL for home wall penetration to exterior, then use the PVC CLEAT to support fan suction side, then use a SLEEK TRANSITION to get back to the siding.
Colorado-made. Support two small businesses with this purchase!
**Due to customer feedback, design changes may be implemented at anytime. Product received may not match photos on website because we’re always improving!!**
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