Pentair LDF359T Brass Threaded End Small Body Flowmeter, 1-Inch Brass threaded end small body flowmeter Stainless steel guide and floats; easy to read-GPM and LPM scales Easy installation and maintenance; no tools required, tightens by hand Textured surface on back of meter for improved readability; brass threaded knurled nuts for durability Measures 1-inch height