APRILAIRE / SPACE-GARD 5000 REPLACEMENT FILTERSPriceQuantity
501 10-Pack 2 Aprilaire 501 (10-Pack)
(10-Pack) Replacement Media Filter for Spacegard / Aprilaire 5000
$331.99  
Aprilaire 501 2-Pack Aprilaire 501 (2-Pack)
(2-Pack) Replacement Media Filter for Spacegard / Aprilaire 5000
$69.99  
501 6-Pack Aprilaire 501 (6-Pack)
(6-Pack) Replacement Media Filter for Spacegard / Aprilaire 5000
$200.99  

BYPASS & POWER-FAN HUMIDIFIER ACCESSORIES AND PARTSPriceQuantity
Aprilaire Current Sensing Relay
Aprilaire 51
110 Volt Current Sensing Relay
$36.99  
Honeywell Sail Switch
Honeywell S688A1007
Air Flow Switch - For Humidifiers Installed on Variable Speed Furnaces/Air Handlers
$41.99  

GENERALAIRE AIR FILTERSPriceQuantity
GeneralAire G-99 GeneralAire G-99
Visual Air Filter Gauge
$10.99  

SHEET METAL TRANSITION KITSPriceQuantity
AHA KIT081
Alpine Home Air Products KIT081T
Sheet Metal Transition Kit With Sheet Metal Bender
$54.99