Home / Products / Miscellaneous / Accessories Accessories Accessories for instrumentation products. Filters, Regulators and Lubricators Filters, regulators and lubricators for pneumatic systems. Three-Way Valve Valves for pneumatic tubing systems. Cooling Extensions Pipe connection extensions that dissipate heat for process instruments used in high temperature installations. Gage Guards/Pressure Snubbers Protect pressure instruments from pressure surges. Pneumatic Valves Valves for pneumatic tubing systems. Pneumatic Fittings Fittings for pneumatic tubing systems. Fittings, Stainless Steel Pneumatic fittings made of stainless steel. Fittings, Nylon Pneumatic fittings made of nylon. Static Pressure Sensors Sensors for use with pressure gages, switches, transmitters and other controllers to pick up or sense static pressure drop across air filters and cooling coils, blower input and discharge pressures, etc. Valves / Connectors Valves and connectors for pneumatic tubing systems. Fittings, Filters & Mufflers Fittings, filters, and mufflers to pneumatic tubing systems. Mounting Options Mounting flanges and brackets for pressure gages. Carrying Cases Portable case accessories for test equipment. Psychrometer & Slide Charts Sling psychrometers and calculator slide charts. Air Filter Kits Accessory kits for pressure instruments to measure filter pressure drop. Gage Fluids Replacement fluids for fluid filled manometers. Technical Reference Books Technical references for HVAC, pumps, boilers, electrical codes, instrumentation, chemical resistance, indoor air quality, facilities, plant management, and more. Regulator Kit Flow regulator kits for RM and VF flowmeters. Tubing Tubing for pneumatic systems. Siphons Protect pressure instruments in high temperature applications. Water held in the 180° coil prevents steam from contacting the instrument.