Size and compatibility - Buy according to your drain diameter. Fits interior diameters of 35 mm (1.3 in) to 40 mm (1.6 in), 45 mm (1.7 in) to 50 mm (2.0 in), or 60 mm (2.3 in) to 65 mm (2.6 in). - The discharge hose gasket uses a variable diameter design and can be cut to the required size for a precise fit. - Compatible with different washing machine models and brands. Material and durability - Made from silicone for a comfortable touch, good elasticity, wear resistance, aging resistance, and long life. - Silicone gasket provides durability and reliable performance over extended use. Seal design and performance - Seven-layer gasket design delivers strong odor control and effective prevention of sewer odors and water leaks. - Opens automatically during drainage and closes smoothly when there is no water, helping maintain a clean, odor-controlled environment. Easy installation - Simple to use: install the seal ring onto the discharge hose to create a tight, well-sealed setup. - Helps prevent excessive odors and maintain a clean laundry area without complicated procedures. Applications and use scenarios - Washing machine installation: prevents sewer smells and leaks in the laundry room by sealing the discharge hose. - Multi-machine setups: adjustable size makes it suitable for households with different washer models and brands. - Sink and utility area drains: can be adapted to sink drain hoses and other drain applications such as mop bucket drains, providing odor control and leak prevention in laundry/kitchen/utility spaces. Summary of key attributes - Function: odor control and leak prevention on washing machine discharge hoses - Compatibility: fits multiple inner diameter ranges and various washing machine models/brands - Size: adjustable by cutting to match 35-40 mm, 45-50 mm, or 60-65 mm interiors - Material: silicone for durability and long life - Performance: seven-layer seal opens during drainage and closes when not in use, ensuring a clean, odor-free environment Common uses - Washing machine discharge hoses - Sink drain hoses - Mop bucket drain hoses - Other standard drain hoses in homes and utility spaces