Premium Aluminum Construction: This RV plumbing vent cap is made from 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.