Pack: 1 set — 4" sewer cleanout cap Key benefits Reliable seal: Rubber body expands against the pipe wall while the stainless steel lid provides a rigid surface, creating a tight, leak-resistant seal. Corrosion-resistant for long life: Stainless steel lid and durable rubber construction withstand indoor and outdoor conditions without rusting. Quick, no-fuss installation: User-friendly design fits standard cleanout openings and can be installed without special tools, saving time on maintenance. What it does Seals sewer cleanout openings to reduce odors, prevent pests, and keep out rain, debris, and standing water. Provides a durable, reusable closure for temporary or permanent protection of 4" cleanouts. Specifications Fit: 4" sewer cleanout cap (Pack of 1 set) Overall height: 2.8" (75 mm) Stainless steel lid diameter: 4.2" (100 mm) Rubber height: 1.7" (41.5 mm) Rubber diameter: 4" (108 mm) Materials: Rubber body with stainless steel lid Compatibility: Designed to fit most standard 4" sewer cleanout pipes Installation Simple push-in installation: press the rubber body into the cleanout opening until the cap seats against the pipe. No special tools required. For best performance, ensure the pipe opening is clean and free of large debris before seating the cap. Practical applications (examples) Residential basement cleanout: Install on interior sewer cleanouts to block odors and keep insects and rodents from entering the home. Outdoor yard or curb cleanout: Protect exterior cleanouts from rain, leaves, and mud while resisting corrosion from weather exposure. Pool and utility areas: Use on service lines or pool equipment cleanouts to prevent debris and standing water from entering when lines are idle. Why choose this cap Combines flexible rubber expansion with a corrosion-resistant stainless steel lid for a dependable seal and long-term durability. Built to fit standard cleanout pipes and handle indoor or outdoor use without frequent replacement. Package includes 1 set 4" sewer cleanout cap with stainless steel lid and rubber sealing body If your cleanout opening matches standard 4" dimensions, this cap provides a simple, effective way to protect the line and surrounding area from odors, pests, and debris.