Holdly 3 Inch Vent Cap

Protects Your Ventilation System
Durable vent cap shields radon vent, roof vent, or exhaust pipes from rain, snow, animals, leaves, and debris—keeping ducts clear, maintaining performance, and extending fan life.
Perfect Fit for 3″ Pipes
Designed for standard Schedule 40 ventilation pipes with a 3 1/2” outer diameter, making it the ideal 3” vent cover solution.
Built to Last
Crafted from high-impact-resistant PTEG material that resists cracking, UV rays, corrosion, and hail damage for long-lasting durability.
Versatile Applications
Works as a roof vent cover, radon vent cover, or exhaust fan cap—compatible with HVAC vents, flue pipes, furnace pipes, and more.
Simple & Secure Installation
Easily attaches with standard pipe glue for a permanent, weatherproof seal.
Environmentally Responsible
Made from chlorine-free and BPA-free materials, safe for the environment and recyclable at end-of-life.