They're used on standardized components common to all types of toilets such as toilet seats

Airflow: 154 to 917 scfm

Bradley 179-017 Guide- Pushrod Replacement Part

Safety Cabinet Wall Hanger Assembly

Less than 5 pounds of force is necessary to operate the unit

Sani-Lav Silver, Stainless Steel, Basket Strainers, 2 in to 2 1/2 in, 1 1/2 in NPSM Connection Type - 1010 Top Selling Bath & Shower for Campgrounds & RV Parks They're used on standardized componentsSink Strainer; Color: Silver; Connection Type: 1 1 2 in NPSM; Finish: Matte; For Drain Height: 1 1 2 in; For Sink Drain Opening Dia.: 2 in to 2 1 2 in; For Use With: Sinks, Wash Stations; Includes: (1) Basket; Sealant Included: None; Standards: NSF ANSI 372 Low Lead, NSF ANSI Standard 2; Strainer Diameter: 2 3 4 in; Strainer Gauge: 18; Strainer Height: 1 1 2 in; Strainer Material: Stainless Steel; Strainer Type: Basket Strainers