Advantage:
◆ The plastic part is made of ABS engineering plastic, which is durable, not easy to be damaged and reliable in quality;
◆ The valve opening force as light as feathers can easily touch the valve stem from the side and vertical direction;
◆ It is easy to install, disassemble and clean, and free of glue and bonding costs (there is a gasket in the card, which is a precision accessory and will not leak)
