1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace
HONEYWELL POST FILTER 12.5" X 20" X 5/16" Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

HONEYWELL POST FILTER 12.5" X 20" X 5/16" Air Filter and Cleaners

BCFURNACE

345-106

CA$90.46

+5% Tax • Shipping calculated at checkout.

U.S. Duties/Taxes, if applicable, may be due at time of delivery.

Name

12.5" X 20" X 5/16" HONEYWELL POST FILTER

Secure Payment
Fast Delivery
Local Pickup

Not sure this fits your furnace? Call us — we're happy to help

Product Details

Description

Enhance your indoor environment with this high-performance Honeywell post filter, designed for whole-house air cleaners and purification systems. This replacement filter serves as a critical secondary stage in your home's air filtration process, capturing fine dust, pollen, and microscopic particles that may pass through the primary cleaning cell. By installing a fresh post filter, you ensure maximum efficiency for your HVAC system while significantly reducing airborne allergens and pollutants. Its slim design allows for a perfect fit in compatible residential air cleaners, helping to maintain clean air flow and protect your family from indoor irritants. Ideal for routine maintenance, this durable filter is a key component for anyone looking to optimize their home's air quality and HVAC longevity.

Specifications

Type
Air Filter and Cleaners
Size
Medium
Dimensions
20" × 12.5" × 5/16"
Application
Secondary stage filtration for whole-house electronic air cleaners and residential HVAC air purification systems.
Specifications
Slim-profile construction; high-efficiency filtration media; designed for final-stage particle capture.

Not sure this is the right part?

Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.

1-778-759-9864

Mon–Sat 8AM–9PM PST · Or email parts@bcfurnace.com

You Might Also Like

Compatible parts and related replacements

Browse all parts
12.5" X 16" X 1" HONEYWELL POST FILTER X2 Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-037

12.5" X 16" X 1" HONEYWELL POST FILTER X2 Air Filter and Cleaners

CA$126.78
HONEYWELL PRE FILTER 12.5" X 20" X 5/16" Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-107

HONEYWELL PRE FILTER 12.5" X 20" X 5/16" Air Filter and Cleaners

CA$54.84
12" X 20" X 1" DISPOSABLE FILTER Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-081

12" X 20" X 1" DISPOSABLE FILTER Air Filter and Cleaners

CA$11.06
20" X 25" X 1" DISPOSABL FILTER Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-006

20" X 25" X 1" DISPOSABL FILTER Air Filter and Cleaners

CA$10.05
20" X 23" X 1" DISPOSABLE FILTER Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-065

20" X 23" X 1" DISPOSABLE FILTER Air Filter and Cleaners

CA$20.66
CARRIER FILTER FOR AIR HANDLER Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-066

CARRIER FILTER FOR AIR HANDLER Air Filter and Cleaners

CA$40.36
15-7/8" X 29-5/8" X 1" DISPOSABLE FILTER Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-041

15-7/8" X 29-5/8" X 1" DISPOSABLE FILTER Air Filter and Cleaners

CA$16.47
20" X 20" X 1" DISPOSABLE FILTER Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-005

20" X 20" X 1" DISPOSABLE FILTER Air Filter and Cleaners

CA$8.73
12.5" X 16" PRE FILTER PACK OF 2, 345-086 furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-086

12.5" X 16" PRE FILTER PACK OF 2, 345-086

CA$100.90
HEALTHY CLIMATE MERV 16 26 X 20 X 5" FILTER Air Filter and Cleaners furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

345-044

HEALTHY CLIMATE MERV 16 26 X 20 X 5" FILTER Air Filter and Cleaners

CA$407.99
3" CAMSTAT ADJUSTABLE FAN OFF TEMPERATURE F90-F120 AND LIMIT SWITCH UPGRADE 3 High Limit Control Switches furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

543-503

3" CAMSTAT ADJUSTABLE FAN OFF TEMPERATURE F90-F120 AND LIMIT SWITCH UPGRADE 3 High Limit Control Switches

CA$261.03
NUTECH, LIFEBREATH DIGITAL ELECTRONIC TIMER D.E.T. 99-104 (OBSOLETE, REPLACEMENT AVAILABLE) Electrical, Transformers, Relay furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

872-053

NUTECH, LIFEBREATH DIGITAL ELECTRONIC TIMER D.E.T. 99-104 (OBSOLETE, REPLACEMENT AVAILABLE) Electrical, Transformers, Relay

CA$65.80
BLOWER BEARINGS ECCENTRIC 3/4" (PER PAIR) Blower Belts, Shaft, Pulley, Bearing furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

235-200

BLOWER BEARINGS ECCENTRIC 3/4" (PER PAIR) Blower Belts, Shaft, Pulley, Bearing

CA$89.20
24" THERMOCOUPLE 30MV Thermocouples, Pilot Assembly, Pilot Tubing furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

745-101

24" THERMOCOUPLE 30MV Thermocouples, Pilot Assembly, Pilot Tubing

CA$35.88
YORK CONTROL BOARD SIMPLICITY ELITE MILLENNIUM Control Board, Circuit, Ignition Modulating furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

121-438

YORK CONTROL BOARD SIMPLICITY ELITE MILLENNIUM Control Board, Circuit, Ignition Modulating

CA$5,325.24
3/4" PEX RING Copper Fittings furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

263-019

3/4" PEX RING Copper Fittings

CA$0.83
TRANE PRESSURE SWITCH -0.90" WC Air Pressure Switch, Air Proving furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

773-163

TRANE PRESSURE SWITCH -0.90" WC Air Pressure Switch, Air Proving

CA$105.29
YORK LUXAIRE COLEMAN HOT SURFACE IGNITOR 120V Hot Surface Ignitors furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

468-704

YORK LUXAIRE COLEMAN HOT SURFACE IGNITOR 120V Hot Surface Ignitors

CA$160.96
LENNOX/ARMSTRONG/DUCANE/AIRE FLO HOT SURFACE IGNITOR 120V Hot Surface Ignitors furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

468-007

LENNOX/ARMSTRONG/DUCANE/AIRE FLO HOT SURFACE IGNITOR 120V Hot Surface Ignitors

CA$181.27
ARMSTRONG LENNOX DUCANE DRAFT INDUCER BLOWER MOTOR 2 STAGE 1/20HP 115V Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

463-126

ARMSTRONG LENNOX DUCANE DRAFT INDUCER BLOWER MOTOR 2 STAGE 1/20HP 115V Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower

CA$745.79
GOODMAN AMANA CONTROL BOARD Control Board, Circuit, Ignition Modulating furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

446-058

GOODMAN AMANA CONTROL BOARD Control Board, Circuit, Ignition Modulating

CA$637.23

Frequently Asked Questions

Is the 345-106 a genuine OEM part?
Yes, the 345-106 is a genuine OEM replacement part manufactured by BCFurnace. We source all Air Filter and Cleaners from authorized distributors to ensure exact-fit compatibility. This Air Filter and Cleaners is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.
How do I know if the 345-106 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (345-106) with your furnace model number. Visit the BCFurnace page on our site and enter your model number in the search bar — our system will show all compatible Air Filter and Cleaners for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
How fast can I get the 345-106 shipped?
Most Air Filter and Cleaners including the 345-106 ship within 1–2 business days from our warehouse. We ship across Canada and the United States with tracking on every order. For urgent BCFurnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
Can I pick up the 345-106 at your store?
Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. Air Filter and Cleaners orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 345-106 is in stock before visiting.

Looking for more Air Filter and Cleaners?

Browse Air Filter and CleanersSearch Air Filter and Cleaners