• Includes mounting screws, drywall anchors

Aprilaire 4223AA

• Captures and kills particles less than a micron in size (up to 120 times smaller than a human hair)
• Performs 24 hr a day or on demand
• Prevents dust build up in your house
• Includes an air cleaner controller
• Maximizes the life of your heating and cooling equipment
• Improves energy savings by keeping your HVAC equipment clean
• Requires maintenance just once a year
• Traps 99% of airborne pollen, mold and spore-sized particles
• Eliminates 98% of airborne bacteria-sized particles and fungi
• Removes 98% of pet dander and respirable dust, which can trigger asthma
• Captures 95% of airborne particles the size of tobacco smoke and smog
• Removes up to 80% of airborne virus-sized particles and ultra-fine particles - something no other air purifier can do down to 0.01 micron in size
• Maintenance is quick and infrequent replacement of media and wiping down of ionizing wires is a simple, 20 minute process
• Unlike other electronic air cleaners, there is never a need for the frequent and time-consuming cleaning or washing of collector cells
• Unit equipped with 6 feet grounded cord with plug
• Power usage does not exceed 60 watt
• Outer housing is heavy gauge, preassembled Galvanized steel, with an electrostatic painted finish
• Door is closed with a positive mechanical latch
• Unit operation is completely silent
• No washing of cells required, beyond replacement of the disposable media, the only maintenance required is wiping of the ionizing wires and control electrode
• Replacement media is #501 Aprilaire replacement media
• Warranty is for 5 years with the exception of the disposable media and inner housing seals

Aprilaire 4335AA

Aprilaire 4235AA

• These float in the scale control insert/float chamber to control the supply of water
• When the water level is high enough, the right hand float turns off the water supply
• As water evaporates and the float reaches the bottom, the electronic switch is activated