1-1/2" Inlet Hydromatic Self-Cleaning Strainer - 12VFeatures:30-second cleaning cycle is automatically performed at user-selected intervalsOptional interface with SSA system ( initiates cleaning cycle when flow is reduced, independent of the pre-set cleaning intervalThe "Purge" option over-rides the selected cleaning interval and performs a one-time 30-second cleaning cyclePowerful macerator grinds debris and discharges overboard below the waterline"Ignition Protected" motors for DC modelsInstallation can be horizontal or vertical (flooded inlet required)C84400 bronze construction