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20 x 20 MERV 11 Upgrade Kit w/ Filter
APRILAIRE UK311 3" MERV 11 UPGRADE KIT W/ FILTER 8pcs/bx
Pleated Air Filters
}
Brand: 
20 x 20 MERV 11 Upgrade Kit w/ Filter
3651453
MFG #: UK311
Product ID:3651453
Famous Supply
- Nominal Pleat: 20 x 20 in
- Series: UK
- Type: Upgrade Kit
- Depth: 3 in
- MERV: 11
Aprilaire UK311 20 x 20 MERV 11 Upgrade Kit w/ Filter
- Features
| One-time upgrade kit installation only. For future filter replacement, slide out the old filter and insert the new. |
| If your air cleaner has an existing upgrade rail kit, that will remain installed. The new upgrade kit is installed into the existing upgrade rails. |