OE number: 018-312-EKD, 018-312, 018312 SIZE: 1" width, 15/16" height, 35' full length. Fits all RV camper slide out systems. Please check that your slide-out channel is the correct size before purchasing to ensure proper fit. D-Seal black rubber made of high-quality rubber material with excellent sealing performance. Provides protection against dust, dirt, weather, and noise. Contains UV inhibitors to resist high temperatures, extreme weather, and corrosion, helping to extend the life of your RV. Easy to install with no adhesive required. Push-on design allows for quick installation and creates durable edge seals. Straight-edged bottom for easy alignment with the backplane. Buckle design helps the seal withstand heavy pressure while maintaining a secure fit. Note: Please review all product images, dimensions, and OEM numbers before purchase. If you have any questions or concerns, and we will respond within 24 hours.