--Function: help you easily tighten and loosen the filter's housing

--Made of solid plastic: wear-resistant,sturdy and solid, and can provide long-term service

--Contains 4 teeth for a firm grip,not easy to fall off

--Special tool for turning on/off the 10-inch filter bottle of the water purifier

--Convenience: Easy to clean and reusable

Description:
Product name: 10-inch filter bottle universal wrench
material: plastic
Specification: inner diameter 9.3cm/thickness 1cm
Inner diameter protrusion size: about 9.7CM
Function: Turn on/off the special tool for 10-inch filter bottle of water purifier
Instructions for use:
Do not tighten the filter cartridge too hard when using it, so as not to be troublesome when opening it next time.
The specific screwing method is to first screw the filter bottle clockwise by hand, and then use a wrench to turn it half a turn. The normal tightness filter bottle and the filter cover should have a gap of 1 to 2 mm.
1. Please close the main water valve before replacing the filter element.
2. Then turn on the faucet and let it release the pressure.
3. Then use this wrench to set from the bottom to the top of the filter bottle, press the top of the filter bottle, and turn the wrench clockwise to open the filter bottle.
4. After unscrewing, discard the contaminated filter element, put this filter element in, and fill the pre-filter with water.
5. Tighten the filter bottle with the wrench counterclockwise, then open the main valve, open the faucet and let the water leak for 1-2 minutes, and check whether there is any water leakage. Drain the water and air in the filter bottle to ensure cleanness and no air pressure. It is a success if the filter bottle does not leak water!
Packing list: 
6pcs*wrench

Note：
1.Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.