Use with differential pressure gages or switches to measure the resistance of air flow through filters.
A-602: Air Filter Kit, accessory package for using switch without a gauge includes two pressure tips with integral compression fittings, two 5´ lengths of 1/4˝ aluminum tubing and two 1/8˝ NPT to 1/4˝ tubing compression fittings
A-603: T Kit, accessory package for using pressure switch in conjunction with an air filter kit equipped Magnehelic® or Series 250 AF gauges includes two 1/8˝ NPT to 1/4˝ tubing compression fittings and two compression tees
A-604: T Kit, accessory package for using pressure switch in conjunction with Mark II gauges, includes two plastic tubing connector tees and two plastic tubing to 1/8˝ NPT adapters
A-605: Air Filter Kit - adapts any standard Magnehelic® gauge for use as an air filter gauge. Includes aluminum surface mounting bracket with screws, (2) 5 feet (1.5 meters) lengths of 1/4" aluminum tubing, (2) static pressure tips & (2) molded plastic vent valves