QMP USA is now offering 10-inch Big Boy housings, made for high-flow applications and perfect for a wide range of applications, including residential, commercial and industrial. These housings fit any 4.5 x 10-inch cartridge; are available in blue, white, black and gray; are made in USA from polypropylene and feature maximum pressure of 125 psi (8.62 bar). Also available are 20-inch Slim Line housings, made for high-flow residential, commercial and industrial applications. Features include brass inserts, NPT and BSP threads and maximum pressure of 100 psi (6.9 bar). These housings fit any 2.5-inch x 20-inch cartridge and are made from polypropylene. Made in the USA, they are available in cases of six.