The Oatey Mushroom Vent Cap is made of high-impact PVC and requires no assembly. It includes 3 hex-head bolts for ease of installation. The fully assembled mushroom vent cap fits 3 in. and 4 in. vent stacks to prevent debris, water and various critters from entering the vent pipe. Oatey products have earned the trust of plumbing professionals for over 100 years.

• Mushroom vent cap fitting 3 or 4 in. vent stacks
• Fully assembled and includes 3 hex-bolts
• Made of high-impact PVC construction
• Prevents debris, water and critters from entering the vent pipe, while still allowing the proper air flow through
• For DWV applications
• 4 in. maximum pipe outer diameter
• Muted color tone
• Easy to install