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HVAC
EASY ACCESS FURNACE FILTER BASE
Features:
• No Furnace panels or Door To Remove
• Use Standard Size Filters
• Keeps Evaporator Coils Clean
• More Efficient - Heating and Cooling
• Customized Professional Installations
• Creates Customer Referrals
Filter Not Included.
• Suitable for use with Disposable or
Electrostatic Washable Type Filters.
E-Z FILTER BASE
FOR ARMSTRONG
DOWNFLOW GAS
FURNACES
PHYSICAL DATA AND SPECIFICATIONS
Locke#
Model# Furnace Width A B C D E F G Filters Required Gauge Metal
Apprx. Wt. (Lbs.)
L2989
DFA-200
14½"
14½" 21" 13¾" 19¾" 12¼" 20¼" 12"
2-10x20x1
24
12
L2992
DFA-300
17½"
17½" 21" 16¾" 19¾" 16¼" 20¼" 12"
3-10x20x1
24
14
L2990
DFA-400
22"
22 21" 21¼" 19¾" 20" 20¼" 12"
3-10x20x1
24
16
L2991
DFA-500
26½"
26½" 21" 25¾" 19¾" 23½" 20¼" 12"
4-10x20x1
24
18
FILTER BASE
22ga. Metal & Magnetic Latch
Locke# Electric Upflow Filter Size
L3992
055E14204 1or2" x 14 x 20
L3993
055E16204 1or2" x 16 x 20
L3994
055E20204 1or2" x 20 x 20
L3995
055E20254 1or2" x 20 x 25
L3986
055EN20254 Narrow 2” x 20 x 25
L3982
055E14206 4” x 14 x 20
L3983
055E16206 4” x 16 x 20
L3984
055E20206 4” x 20 x 20
L3985
055E20256 4” x 20 x 25
Locke# Gas Upflow Filter size
L3988
054G14254 1or2" x 14 x 25
L3989
054G16254 1or2" x 16 x 25
L3990
054G24244 1or2" x 24 x 24
L3991
054G20254 1or2" x 20 x 25
L3978
054G14256 4” x 14 x 25
L3979
054G16256 4” x 16 x 25
L3980
054G24246 4” x 24 x 24
L3981
054G20256 4” x 20 x 25