Research Products Corporation
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sku: 321521664

310 20 in. x 20 in. x 4 in. MERV 11 FPR 12 Pleated Air Filter For Air Cleaner Models 1310, 2310, 3310, 4300 (1-Pack)

The 310 MERV 11 Air Filter helps capture and remove common airborne contaminants and allergy triggers. This replacement air filter is 4 in. thick with a large surface area for capturing pollutants...

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Research Products Corporation
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sku: 312152160

AprilAire 4.75 in. x 5.75 in. [5/2- Day or 5/1/1- Day] Programmable Thermostat 2H/2C or 4H/2C Heat Pump

The universal Aprilaire Model 8466 Thermostat is a programmable thermostat that allows you to create personalized programs based on your lifestyle. This enables you to control your heating and...

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Research Products Corporation
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sku: 316563125

AprilAire Automatic Digital Humidity Control

Automatic digital humidifier control works in conjunction with your furnace to control the operation of the humidifier. The control senses indoor RH and outdoor temperature and automatically adjusts...

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Research Products Corporation
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sku: 321521707

AprilAire Electrostatic MERV 11 Whole-House Air Purifier in Gray with 20 in . x 20 in. Nominal Filter

AprilAire Whole Home Air Purifier - Model 1310 will protect your family and your HVAC system. The Model 1310 features an unpainted steel cabinet and comes with a 310 Clean Air Filter (MERV 11), which...

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Research Products Corporation
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sku: 330949364

Manual Humidifier Control

Manual Humidifier Control|The indoor humidity should be set to match the outdoor temperature to prevent water from running down the sides of your windows|When the relative humidity reverses the...

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Research Products Corporation
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sku: 331337783

Media Air Cleaner, 16 X 20, MERV 11

Media Air Cleaner, 16 X 20, MERV 11|Protects your HVAC system and offers superior filtration performance to 1" filters|Unpainted steel cabinet|Comes with one AprilAire 110 MERV 11 Air...

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Research Products Corporation
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sku: 330949366

RESEARCH PRODUCTS Drain Spud For Model 550/560

Drain Spud For Model 550/560|This is the plastic fitting which attaches to the base of the housing of your humidifier. It is designed to allow for the connection of the 1/2" drain hose.|Our 4223...

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Research Products Corporation
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sku: 330949365

RESEARCH PRODUCTS Orifice (Yellow)

Orifice (Yellow)|Fits for Aprilaire humidifier 400, 500, 550, 550A, 558, 560, 560A, 568 and 600.|Replacement Humidifier Parts Yellow Orifice 4231 can accurately measure the flow of water entering the...

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Research Products Corporation