White-Rodgers™ F825-0431 Electronic Pre-Filter, 10-1/2 Inch L x 16 Inch W x 3/8 Inch D, Aluminum
White-Rodgers™ F825-0460 Replacement Charcoal Filter, 20-1/4 Inch L x 20-1/4 Inch W x 3/4 Inch D
White-Rodgers™ F825-0469 Replacement Charcoal Filter with Clips, 19-1/4 Inch L x 13 Inch W x 7/16 Inch D
White-Rodgers™ F84-0434 Valve Assembly, 1 Inch, For Use with 1311-103 and 1361-103 Model Zone Valves
White-Rodgers™ F84-0435 Valve Assembly, 1-1/4 Inch, For Use with 1311-104 and 1361-104 Model Zone Valves
White-Rodgers™ F859-0381 Air Flow Switch, 120 VAC, 50/60 Hz, 50 W, For Use with SST Series Electronic Air Cleaners