Universal Standard 1/2 (2cm caliber) interface Suitable for tank depth 20-33cm (toilet, squatting) LengthAdjustable length, suitable for tanks of different heights Height Height of the tank Own-owned lifting ball, save water Features: 1. Standard universal interface 1/2 (caliber 2 cm). Suitable for tank depth 20-33cm (toilet bowl, stove). Product life increased up to 100,000 times. Adjustable length, suitable for different tank heights. Water Saving Lift Ball Height Dual Flush Toilet Fill Valve - Toilet Fill Valve Features: Dimensions: Product diameter: about 2cm. British standard G1/2. Adjustable length: 20cm-30.5cm. Material : ABS. Application : The height of the inlet valve can be adjusted, suitable for the toilet with the height of the water tank 22cm Package: 1 toilet inlet valve Lock: Open the lock: You can adjust the position of the pontoon up and down. Adjust the buckle: After the buckle is pressed, the height of the water inlet valve can be adjusted to lengthen or shorten arbitrarily. Conical rubber sealing ring: Play a sealing role, effectively prevent water leakage. Reinforced plastic gasket: 20mm diameter universal interface, suitable for most toilets Note: Adjust the up and down position of the buoy to control the water level. Float adjustment Adjust the height of the buoy to accurately grasp the water level. Double silicone pad Firmly seal the water inlet of the toilet to prevent seepage. Filter design L The water inlet adopts filter to effectively filter impurities in the water. Step 1: Install the water inlet valve into the water tank inlet hole (as shown above) and tighten the mother butterfly and washer for water inlet. Step 2: Place the water inlet pipe into the overflow pipe. Step 3: Remove the loop (as shown in the figure) to extend or shorten the length of the inlet valve. Step 4: Turn the adjustment screw to adjust the float up and down.