PACKING LIST: 12pcs* Water Flow Restrictor DESCRIPTION: Style: 12 pieces Material: silicone Features: sturdy and durable, various specifications, easy to use, sufficient quantity, can be used for a long time Suitable for: All standard shower hoses, but not suitable for faucets Single product size: outer diameter 19mm, yellow aperture 6.5mm, blue aperture 3mm, red aperture 4mm, black aperture 10.5mm ?Affordable Set?you will see 12 pcs shower flow limiters, 4 pcs different specifications, a sufficient quantity to meet the daily use ?Durable Material?The silicone shower flow limiter is made of quality silicone, which is sturdy and durable and can be used for a long time. ?Four Specifications?The shower water-saving flow limiter comes in 4 pcs different sizes, Choose and install it according to your needs ?Easy Installation?Just remove the old seal of the shower hose, then install the new shower restrictor you need, and finally screw on the shower ?Wide Application?Shower head flow restrictors can be used on various standard shower hoses, but are not suitable for faucets