The DELTECH KC13 is a high-performance HVAC air filter from the KC series, designed for efficient adsorption. It operates at a flow rate of 50 SCFM under 100 PSIG pressure. The filter features 1-inch NPT inlet and outlet connections, along with a 1/4-inch drain port. With a maximum pressure rating of 150 PSIG and temperature tolerance up to 150°F, it uses the KC13E replacement cartridge for maintenance.