SPARE CARTRIDGE: Low ceramic with 2 legs with ceramic disc dispenser - K35 B. Suitable for 35 mm high cartridge seat mixers. Usage: for shower, kitchen, bathroom sink, bidet, bathtub. INSTALLATION: The ceramic cartridge you choose must be compatible with the faucet. Make sure that the cartridge positioning feet fit into the holes provided in your mixer and finally make sure that you have screwed the ring, cartridge clamp, in place, taking care not to exert too much force, at the risk of breaking it. If the problem of water leakage has not been solved, it is necessary to clean the tap holes and limescale and proceed with the installation. HOW TO CHOOSE A CERAMIC DISC CARTRIDGE: You must measure the outer diameter of the ceramic cartridge on your faucet, mixer, single handle to verify that you are purchasing a compatible cartridge. The diameter of the cartridge with ceramic discs is usually 25 mm - 35 mm and 40 mm. Carefully read the technical data sheets of the chosen product. PRODUCT CERTIFICATION: Cartridge for Ceramic Disc Mixers Dimensions: 40 mm. Lower without riser base. TECHNICAL DATA: Ring tightening torque: 12-13 Nm. Pressure tightness tests: Air: 6 bar. Water: 35 bar. FLOW TESTS: at 3 bars in the test valve according to EN 817 standards 20.1 l/min with resistance C. DURABILITY TESTS: according to EN 817 standards 70,000 cycles - according to ASME A 112.18.1M standards 500,000 cycles. CARTRIDGE SPARE: High ceramic with 2 feet with ceramic disc dispenser K35-B. Suitable for low seat 35mm cartridge mixer taps. SUITABLE: for kitchen, bathroom, shower and bathtub single lever mixer taps. 1 pcs.