★ Compatible Shower Head Manufacturers This product is compatible with shower heads with a G1/2 screw size. It is compatible with KAKUDAI, TAKAGI, SAN-EI (Sanei Water Works), some INAX products (excluding balance-type water heaters), and some YuKo products. ★ Compatible Hose Manufacturers This product is compatible with hoses with screw sizes M22 x 2 (e.g., KVK), W23 thread 14 (e.g., MYM), and M22 x 1.5 (some Tokyo Gas, INAX, and Rinnai products). Please note that it is not compatible with OFFO, TOTO, and LIXIL (INAX) shower hoses. It is not for installation on Noritz water heaters. ★ No Tools Required It can be easily installed by hand without tools. Please read the instruction manual before installation. Material: ABS resin. Product contents: adapter, packing, O-ring. There are new and old versions; the new version includes an installation tool, while the old version does not. The two versions will be shipped randomly. ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ Thank you for viewing! ·͜·ᰔᩚ ◎ Instant purchase OK! ❣️ ◎ Free shipping ︎︎︎︎︎︎☑︎ The item has been opened once for photography and inspection, but it is unused. It will be shipped in simple packaging. ︎︎︎︎︎︎☑︎ Please take a close look at the actual photos and purchase, as the photos on the site and the included accessories may differ. 20-5 #Tama'sListing