Optional Pre-Filter (7x7) (Fresh Air Snap On Rear Filter)(10 Packs) US71046	Spring House filter pack (Well ) US 70970 Spring house filter pack for well water
Item number 42 Detailed view USD 790.99 Plus shipping and handling Plus sales tax	Item number 39 Detailed view USD 578.99 Plus shipping and handling Plus sales tax
Spring House filter pack (Municipal) US 70969 ( filter pack for municipal water Spring house)	Duct Air (RCI) cell Replacement INDUCT 2000 9inch RCI Cell this cell fits both the Induct and DuctwoRx product US70678
Item number 25 Detailed view USD 478.99 Plus shipping and handling Plus sales tax	Item number 26 Detailed view USD 178.99 Plus shipping and handling Plus sales tax
Fresh- air (2.0 & 2.1) RCI cell US70728	Optional Pre-Filter (7x7) (Fresh Air Snap On Rear Filter (12 Singles) US71045
Item number 21 Detailed view USD 109.99 Plus shipping and handling Plus sales tax	Item number 35 Detailed view USD 79.99 Plus shipping and handling Plus sales tax
Eco-box (RCI ) cell US71060 ActivePure (RCI) Cell, ecobox US71060	Hepa (Replacement Filter)US71108 Replacement filter for Gemini-True Hepa US71108
Item number 24 Detailed view USD 63.99 Plus shipping and handling Plus sales tax	Item number 15 Detailed view USD 52.99 Plus shipping and handling Plus sales tax
Eco-box (Power Cord) Eco-box power cord ( wall) US71059	Eco-Help Filter (Classic/XL15) Eco Help Filter US70233 (7 1/2"x6 1/2"x2 1/2") for Classic /XL 15 2 plate sensor
Item number 37 Detailed view USD 49.99 Plus shipping and handling Plus sales tax	Item number 41 Detailed view USD 45.99 Plus shipping and handling Plus sales tax