Drain Height Extension Kit, Universal Fit for 4 3/8" (111.1mm) Floor Drains

4 3/8" Precision Fit for Large Diameter Drains: Specifically engineered for 4 3/8" (111.1mm) diameter large floor drains, this kit delivers a perfect, gap-free fit for oversized drainage systems. Ideal for commercial restrooms, large residential bathrooms, laundry rooms, basements, and industrial utility spaces, no modifications required. | 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 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 4 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 large drain. | Leak-Proof, Durable Construction: Engineered with premium, high-tensile rubber gaskets, preventing leaks, water damage.professional design trusted by contractors and property managers for long-lasting performance in high-traffic, wet environments. | Ideal for Commercial & Large-Scale Residential Use: Designed for oversized drain applications, this kit is the perfect solution for large bathroom renovations, commercial restroom upgrades, laundry facility flooring, basement waterproofing, and industrial space maintenance, delivering a seamless, professional finish that aligns perfectly with your new floor surface.