Are you looking for a professional, yet practical sewer device? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , Our professional sewer device kit must meet your needs. They can isolate the stink of the sewer and insects for your bathroom and kitchen. Features - Color: White. - Material: silicone and ABS plastic. - Size: About 5.00X3.20X3.00cm/1.97X1.26X1.18inch. - Note: Suitable for installation on PVC or sewer . - Applicable water : drainage within 32mm in diameter. - Applicable : 40-50mm PVC drainage . - Applicable floor drain: the diameter of the floor drain flowing water is about 40mm. - Note: This set includes 1pc 40/50 sealing ring, 1pc core, 1pc decorative cover. - Selected premium and wear-resistant silicone and ABS plastic, very practical and use. - , - , and odor-resistant, making you have a good living environment. - Easy to use, for sewer or PVC installation use. - Great material, premium texture, , convenient and practical. - Widely used for PVC or sewer in toilet, bathroom, kitchen, rest room and more. Package list: 1 x 40/50 sealing ring 1 x core 1 x decorative cover