Drain Height Extension Kit, Universal Fit for 3 3/8" (85.7mm) Floor Drains

3 3/8" Precision Fit for Exact Drain Sizing: Specifically engineered for 3 3/8" (85.7mm) diameter floor drains, this kit delivers a perfect, gap-free fit for your existing drain system. exact-fit solution, ideal for shower drains, bathroom floor drains, kitchen utility drains, laundry room drains, and basement drains in residential and commercial applications. | Adjustable Height: 1/4" to 1/2" Custom Elevation: Easily raise your drain height by 1/4 inch (6.35mm) to 1/2 inch (12.7mm) with the included multi-layer rubber sealing gaskets. Simply stack gaskets to match your exact flooring height after tile installation, floor leveling, or bathroom renovation, eliminating standing water, poor drainage, and unsightly low drains. | No-Demolition DIY Installation, No Plumber Required: Save time, money, and hassle with a tool-free, 10-minute installation. The kit includes everything you need: a durable 3 3/8" plastic riser, high-density rubber gaskets, and corrosion-resistant stainless steel screws. No tile removal, no floor cutting, no professional tools, just a simple, secure upgrade for your drain. | Leak-Proof Sealing System: Dual-function high-density rubber gaskets compress to form a fully watertight seal between riser and existing drain body, preventing leaks, water damage, and subfloor deterioration, engineered specifically for long-term performance in wet environments. | After-Sales Service: If you experience any issues with your purchase, our customer service team is available 24/7 to assist with replacement, or installation support. Your satisfaction is our top priority.