4 Inch 2Pcs PATIKIL Backdraft Damper, PVC Ducting Hose Airflow Insert Backflow Preventer Shutter, One-Way Draft Stopper

PATIKIL 4 Inch Backdraft Damper, 2Pcs PVC Ducting Hose Airflow Insert Backflow Preventer Shutter, One-Way Draft Stopper for Kitchen Bathroom Exhaust Vent Fans

4 Inch 2Pcs PATIKIL Backdraft Damper, PVC Ducting Hose Airflow Insert Backflow Preventer Shutter, One-Way Draft Stopper

Brand: PATIKIL

supplies, backdraft damper, exhaust vent, vent fans, bathroom exhaust, patikil inch, 2pcs, one way, kitchen bathroom, bathroom, ducting hose, ducting Tools & Home Improvement Building Supplies HVAC Ducting

Key Features

• ✓ Material: PVC; Color: White; Inner Diameter of Interface: 100 mm / 3.9 Inch; Outer Diameter of Interface: 103 mm / 4.1 Inch; Length: 103 mm / 4.1 Inch; Packing List: 2 pcs Backdraft Damper
• ✓ Advantage: Durable plastic material, durable performance and waterproof, to ensure reliability, can be used for a long time. Smooth interface and easy disassembly. With gravity shutter flap, effectively prevent the backdraft air flow, it is suitable for use together with solid plastic ducts or flexible ducts.
• ✓ Instruction: Easy to install, simply slide it directly into your ventilation pipe, and then use the pipe clamp and tape for a secure fit.
• ✓ Application: Our return air dampers are suitable for residential and commercial applications and are fit for use in HVAC systems, exhaust fans and ventilation ducts. Whether in your home, office or industrial environment, this damper is a versatile solution for maintaining optimal air quality and temperature control.
• ✓ Notice: This backdraft damper is only suitable for horizontal installation, it will not function in vertical ducting. Please confirm the outer diameter of the backdraft damper before placing an order.

Shipping & Guarantees

• ✓ FREE standard shipping within the United States (3-6 business days)
• ✓ 100% money-back guarantee for lost or damaged items
• ✓ Secure checkout with encrypted payment processing
• ✓ Shipping via UPS, FedEx, and USPS
• ✓ Ships to lower 48 states only (no PO Boxes / APO / FPO)

Returns

• ✓ 30-day hassle-free returns
• ✓ Items must be unused and in original packaging
• ✓ Full refund if item is not delivered
• ✓ Guaranteed delivery within 6-7 business days

Payment Methods

✓ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay

Customer Support

✓ Questions? Contact us at Support@GiftAbay.com
We respond within 24 hours on business days.