Premium Aluminum Construction: This RV plumbing vent cap is made from high-quality aluminum, ensuring superior durability against UV rays, rain, and extreme temperatures. Unlike plastic vents, it resists cracking or yellowing, maintaining its aesthetic appeal over time. Enhanced Stability and Protection: Equipped with dual screws for a secure top cover attachment, this vent cap offers increased stability, protecting against dislodgement by tree branches. It includes rubber terminal plugs and a built-in mesh screen to prevent rainwater ingress and block debris. Universal Compatibility: Designed to fit a wide range of RV roof vents, this cap has a 3.8Inch inner diameter, a 5.3Inch base diameter, and stands 3Inch tall. It accommodates pipes from 1Inch to 2-3/8Inch in diameter, making it a versatile choice for most RVs, campers, and motorhomes. Efficient Odor Management: This vent cap is expertly designed to mount on your RV's ventilation pipe, effectively expelling sewer gases and preventing the intrusion of unpleasant odors into your living space, ensuring a more enjoyable and comfortable environment. Easy Installation Kit Included: The package comes with everything needed for a hassle-free installation, including 1 aluminum vent cap, 6 stainless steel screws, and a roll of 0.5Inch x 15.7Inch butyl sealant tape. The pre-assembled top cover with screen aligns perfectly with existing screw holes, simplifying the setup process. Color:Black Material:Aluminium Package Contents: 1 set * RV pipe ventilation cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.