Key Size: 35mm(1.38inch) in diameter, (This cartridge only work for the same structure cartridge replacement , the key size is the diameter of the body, the pin distance of the basement is 18mm, the height of the products is 57.3mm). It is very important to check the detail size before order, please don't ignore it. Replacement ceramic faucet cartridge for single handle kitchen and basin faucet cartridge parts. Faucet Type: Hot & Cold single handle kitchen and basin faucet. Quality ceramic and plastic material (PPO), high Max Temperature resistance up to 95℃ Premier finishing process – finishes will resist corrosion and tarnishing through everyday use CUPC certified cartridge, durable for 1,00,000 times life cycle test. any more problems, please leave us a message or send us a question. We will reply within 24 hours. CUPC Certified 35mm diameter replacement faucet cartridge, 35 mm square stem ceramic disc cartridge w/o distributor for various single handle faucets, compatible with all plumbing codes, including but not limited to CUPC/NSF/CSA/WaterMark/Kiwa/WRAS/ACS, etc