Nu-Calgon Evap Foam No Rinse ( NU- CALGON 4171-75 EVAP FOAM NO RINSE EVAPORATOR COIL CLEANER 18oz Pack Of 2 )

Trap dust and particles in furnaces, air handlers and HVAC systems.++• Pleated design for higher dust and particle holding capacity. • Filter is 100% non-woven synthetic material. • Moisture-resistant paperboard frame with diagonal supports. • Wire reinforced panel for strength and rigidity. • Maximum operating temperature is 200°F. • MERV 8. General purpose for homes, offices and hotels