Premium Replacement Filters for WaterFurnace Geothermal Systems
Our GeoPure and Water-Furnace series pleated filters deliver significantly higher particulate efficiency than standard pleated filters, achieving MERV 11 and the new GREEN MERV 13 ratings.
GeoPure filters are built specifically for the Geothermal Industry — one piece, heavier board, and deeper pleats engineered to outperform the OEM filters originally shipped with your system. Find your model below to match the right replacement.
Browse by Series
Click a series to filter the table below
| Series | Model Number | Configuration | Filter Size | Brookaire Part # | Qty Required |
|---|---|---|---|---|---|
| 7 Series (700A11) | 700A11036 | Variable Speed Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| 7 Series (700A11) | 700A11048 | Variable Speed Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| 7 Series (700A11) | 700A11060 | Variable Speed Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| 7 Series Split (700R11) | NVZ033 / W7B033 | Variable Speed Split | Filter in matched air handler | Contact for filter spec | — |
| 7 Series Split (700R11) | NVZ042 / W7B042 | Variable Speed Split | Filter in matched air handler | Contact for filter spec | — |
| 7 Series Split (700R11) | NVZ050 / W7B050 | Variable Speed Split | Filter in matched air handler | Contact for filter spec | — |
| 5 Series (500A11) | 500A11022 | Dual Capacity Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| 5 Series (500A11) | 500A11030 | Dual Capacity Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| 5 Series (500A11) | 500A11036 | Dual Capacity Vertical | 28x30x2 | SO-PLM11-28302 | 1 Each |
| 5 Series (500A11) | 500A11042 | Dual Capacity Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| 5 Series (500A11) | 500A11048 | Dual Capacity Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| 5 Series (500A11) | 500A11060 | Dual Capacity Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| 5 Series (500A11) | 500A11070 | Dual Capacity Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| 3 Series (300A11) | 300A11026 | Dual Capacity Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| 3 Series (300A11) | 300A11038 | Dual Capacity Vertical | 28x30x2 | SO-PLM11-28302 | 1 Each |
| 3 Series (300A11) | 300A11049 | Dual Capacity Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| 3 Series (300A11) | 300A11064 | Dual Capacity Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| 3 Series (300A11) | 300A11072 | Dual Capacity Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Synergy 3D | SDV038 | Variable Speed Vertical | 28x30x2 | SO-PLM11-28302 | 1 Each |
| Synergy 3D | SDV049 | Variable Speed Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| Synergy 3D | SDV064 | Variable Speed Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Synergy 3D | SDV072 | Variable Speed Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Envision Series | NDV022 | Single Speed Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| Envision Series | NDV030 | Single Speed Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| Envision Series | NDV042 | Single Speed Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| Envision Series | NDV048 | Single Speed Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| Envision Series | NDV060 | Single Speed Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Envision Series | NDV070 | Single Speed Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Envision Series | NDV026 | Dual Capacity Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| Envision Series | NDV049 | Dual Capacity Vertical | 30x32x2 | SO-PLM11-30322 | 1 Each |
| Envision Series | NDV064 | Dual Capacity Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Envision Series | NDV072 | Dual Capacity Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Premier Series | P019 | Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| Premier Series | P022 | Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| Premier Series | P028 | Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| Premier Series | P034 | Vertical | 24x28x2 | SO-PLM11-24282 | 1 Each |
| Premier Series | P040 | Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Premier Series | P046 | Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Premier Series | P056 | Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
| Premier Series | P066 | Vertical | 30x36x2 | SO-PLM11-30362 | 1 Each |
Part numbers shown are Brookaire MERV 11 Pleated Filter SKUs. Click any part number to view product details, multipack options, and order. Sizes marked SO- are special-order (custom geothermal cuts). 7 Series indoor split (700R11) air handlers vary by W7B/SVH/SAH match — call (800) 295-3047 or message us with your air handler model for sizing. MERV 13 GREEN-rated upgrades available on request.
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Try a partial model number (e.g. "700A11", "NDV", "P0"), a filter size like "30x36", or contact us for help identifying your unit.