This filter serves as a convenient, pre-assembled replacement for Research Products Aprilaire / Space-Gard filter # 201, used in models 2200 and 2250.
You will still need the plastic inner filter housing, but not the spacers. Also, do not remove the seal kit(pink or white insulation-looking material) from the plastic housing when installing this filter.
Aprilaire and Space-Gard: 2200 and 2250
Honeywell: F66; F66A1019
Subs for These Part Numbers:
Glassfloss: Z-line 700 SG, SGP20256, and SGP20256AC
Every 6-12 months, under normal operating conditions; more frequently in high dust environments.
Other Stock Numbers:
DPFS20x25x6, DPFS20x25x6M11, DPFS20x25x6M13, DPFS20x25x6OB, DSG8.0620252P, DSG11.0620252P, DSG13.0620252P, SBRP22, SBRP22-M8, SBRP22-M11, SBRP22-M13, SBRP22-OB