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10 Best ventilation valves in Canada
- Best Choice01PATIKILShow moreOn Amazon
PATIKIL 6" HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control for Air Ventilation System
- 02A-premiumShow moreOn Amazon
A-Premium Positive Crankcase Ventilation (PCV) Valve Compatible with Audi A3/A4/A5 (Quattro), Q5, TT & Volkswagen Beetle, Golf, Jetta, Passat & More, Replace# 06H103495
- 03OateyShow moreOn Amazon
Oatey 39019 Sure-Vent 2-Inch ABS Adapter Bulk Pack, 1-1/2-Inch Air Admittance Valve, 1.5 Inch, Black
- Best Value04OateyShow moreOn Amazon
Oatey 39017 Sure-Vent AIR ADM Valve, 1-1/2-Inch by 2-Inch, White
- 05KikerikeShow moreOn Amazon
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
- 06QWORKShow moreOn Amazon
QWORK Draft Blocker 4 Inch Damper Stopper Duct Damper Backflow Preventer Inline Built-in Fan Vent Ventilation Vent Deflector, 2 Pack
- 07TyenazaShow moreOn Amazon
Automatic Air Vent Valve, G1/2" Air Vent Valve, Automatic Air Bleed Vent, Thread Air Vent Exhaust Valve, Brass Automatic One Way Air Vent Valve for Boiler,Water System
- 08YARNOWShow moreOn Amazon
YARNOW 2pcs Air Volume Control Valve Manual Air Duct Check Ventilation Pipe Valve Pipeline Deflector
- 09HilitandShow moreOn Amazon
G1/2 DN15 Brass Automatic Air Vent Valve, Air Release Valve, Pressure Relief Valve for Solar Water Heater
- 10iPowerShow moreOn Amazon
iPower 4 inch Shutter Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 4" Backdraft Damper, for HVAC Extractor Fan Vent, Range Hoods