Custom Plastics 43B Black Plumbing Vent Base for RV

The Custom Plastics 43B is a durable black plumbing vent base designed for RV roof installations. This essential component provides a secure mounting point for plumbing vent pipes, creating a weatherproof seal that protects your RV's interior from water intrusion while allowing proper ventilation of the waste system.

Key Features:

• UV-resistant black plastic construction withstands harsh weather and sun exposure
• Low-profile design minimizes wind resistance and maintains sleek roof appearance
• Pre-molded flange ensures proper water drainage and leak-free installation
• Compatible with standard RV plumbing vent pipes
• Direct replacement for worn or damaged vent bases

This vent base is an important part of your RV's plumbing system, ensuring proper drainage and preventing sewer gases from entering the living space. The black finish blends seamlessly with most RV roof colors while the durable construction ensures years of reliable performance.