Product_description: ["'Mechanical Flowmeter, Mechanical Flowmeter, For Pipe Size 1/8 In. to 1 In., Connection Size 1/8 In., Connection Type FNPT, Fluid Temp. Range 40 Degrees to 150 Degrees F, Wetted Materials Clear Acrylic, Stainless Steel, Viton, Max. Pressure 100 psi, Flow Range 25 to 225 ccm, Max. Viscosity -, Flow Material Water, Variable Area, Max. Voltage -, Width 1-3/8 In., Height 6-1/2 In., Housing Material Acrylic, Fitting Stainless Steel, Chamber Material -, Seal Material -, Shaft Material -, Display -'", '<p>Brooks Instrument 2520 Series Acrylic Purge Meters are precision-machined acrylic flow meters for liquids and gases [specified by the part number and description], with direct reading air or water scales and are available in either English or metric scales. These variable area flow meters are made from a single piece of high strength, crystal clear acrylic with easy to read scales. They come standard with a stable easy view float.</p> <ul> <li>Treaded Inserts for panel mounting type configurations </li> <li>Easy disassembly/assembly for maintenance</li> <li>rod-guided float</li> <li>Large Scales for quick reference</li> </ul>'] (Page 1)