Harmsco Hurricane Housing, HUR-170-FL, Swing Bolt Closure and Flanged Connections Harmsco HUR-170-FL, tangential entry, up-flow filter cartridge housing with swing bolt closure and flanged connections. * Inlet/ Outlet is NPS 2 Flanges Class 150 SOFF * 200 psig maximum pressure * Max 150 GPM ( 105GPM is optimal) * 2 3/ 4" FNPT drain ports * 1 1/ 4" FNPT gauge port * Harmsco Hurricane HUR-40-HP * Harmsco Hurricane HUR-90-HP * Harmsco Hurricane HUR-170-HP