The Rectorseal SURESEAL 97084 Floor Drain Trap Sealer is designed to fit 4-inch drains, providing excellent protection against sewer gases and odors. Available in a contractor pack of 24 per case, this product is perfect for extensive projects requiring reliable and efficient sealing solutions. Its durable materials and straightforward installation process make it a valuable addition to any plumbing system, ensuring long-term performance and improved indoor air quality.