About Air Filter Efficiency Ratings
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About Filters and Particle Sizes
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Odor-Removal Air Filter Pads
With a higher carbon concentration than odor-removal air filter rolls, these pads handle heavier odors. Cut to the size you need; frames are sold separately.
All meet UL 900 flame retardance requirements.
Pads with a carbon concentration of 375 g/sq. ft. provide greater odor control than other pads and can handle ammonia, hydrogen sulfide, and other gases. They are often used in hospitals and laboratories.
| HVAC Filter Trade Size | MERV Filter Rating  | Filter Efficiency @ 3 Microns | Removes Particle Size Down To, microns | Material | Color | Max. Temperature, °F | Each | |
300 g/sq. ft. Carbon Concentration | ||||||||
|---|---|---|---|---|---|---|---|---|
1" Thick | ||||||||
| 12 × 12 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 000000 |
| 12 × 24 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 14 × 25 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 15 × 24 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 16 × 20 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 16 × 25 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 20 × 20 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 20 × 25 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 20 × 30 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 24 × 24 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
375 g/sq. ft. Carbon Concentration | ||||||||
1" Thick | ||||||||
| 12 × 12 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 0000000 | 00000 |
| 12 × 24 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 00000000 | 00000 |
| 16 × 20 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 00000000 | 00000 |
| 16 × 25 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 00000000 | 00000 |
| 20 × 20 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 00000000 | 00000 |
| 20 × 25 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 00000000 | 00000 |
| 24 × 24 | 7 | 50% | 3 | Carbon-Filled Polyester Plastic | Black | 120° | 00000000 | 00000 |
Odor-Removal Air Filter Rolls
Carbon granules inside these filters remove odors from the air. Cut them to the size you need and attach to a frame. They meet UL 900 flame retardance requirements.
100 ft. Lg. | ||||||
|---|---|---|---|---|---|---|
| Roll/Pad Wd. | Carbon Concentration, g/sq. ft. | Material | Color | Max. Temperature, °F | Each | |
3/16" Thick | ||||||
Dry Surface | ||||||
| 30" | 45 | Carbon-Filled Polyester Plastic | Black | 150° | 0000000 | 0000000 |
Strong-Odor-Removal Panel Air Filters
Eliminate heavy odors with these filters that have 30 times the odor removing ability of standard odor-removal air filters. The cardboard frame is treated to resist humidity, and the galvanized steel grill prevents sagging.
These filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" less than trade size.
| HVAC Filter Trade Size | MERV Filter Rating | Filter Efficiency @ 3 Microns | Removes Particle Size Down To, microns | Carbon Concentration, g/sq. ft. | Material | Frame Material | Max. Temperature, °F | Each | |
2" Thick | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 12 × 24 | 7 | 50% | 3 | 300 | Carbon-Filled Polyester Plastic | Cardboard | 120° | 0000000 | 000000 |
| 16 × 20 | 7 | 50% | 3 | 300 | Carbon-Filled Polyester Plastic | Cardboard | 120° | 0000000 | 00000 |
| 16 × 25 | 7 | 50% | 3 | 300 | Carbon-Filled Polyester Plastic | Cardboard | 120° | 0000000 | 000000 |
| 18 × 24 | 7 | 50% | 3 | 300 | Carbon-Filled Polyester Plastic | Cardboard | 120° | 0000000 | 000000 |
| 20 × 20 | 7 | 50% | 3 | 300 | Carbon-Filled Polyester Plastic | Cardboard | 120° | 0000000 | 00000 |
| 20 × 24 | 7 | 50% | 3 | 300 | Carbon-Filled Polyester Plastic | Cardboard | 120° | 0000000 | 00000 |
| 20 × 25 | 7 | 50% | 3 | 300 | Carbon-Filled Polyester Plastic | Cardboard | 120° | 0000000 | 00000 |
| 24 × 24 | 7 | 50% | 3 | 300 | Carbon-Filled Polyester Plastic | Cardboard | 120° | 0000000 | 000000 |
Odor-Removal Panel Air Filters
Carbon granules in these filters remove odors. They are pleated to maximize filtering surface area without reducing airflow. The cardboard frame is treated to resist humidity.
Actual size is up to 5/8" less than trade size.
| HVAC Filter Trade Size | MERV Filter Rating | Filter Efficiency @ 3 Microns | Removes Particle Size Down To, microns | Carbon Concentration, g/sq. ft. | Material | Frame Material | Max. Temperature, °F | Each | |
1" Thick | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 12 × 24 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 000000 |
| 16 × 20 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 16 × 25 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 20 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 24 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 25 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 24 × 24 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
2" Thick | |||||||||
| 12 × 24 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 16 × 20 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 16 × 25 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 20 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 24 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 25 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 24 × 24 | 7 | 54% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
4" Thick | |||||||||
| 12 × 24 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 16 × 20 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 16 × 25 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 20 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 24 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 20 × 25 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
| 24 × 24 | 7 | 50% | 3 | 20 | Carbon-Filled Polyester Plastic | Cardboard | 140° | 00000000 | 00000 |
Ultra-Efficiency Odor-Removal Panel Air Filters
Clear the air of fine particles and odors caused by high levels of pollution, such as wildfire smoke. Rated MERV 13, these filters capture smaller contaminants, such as germs and allergens, more efficiently than filters rated MERV 5 or 7. They contain carbon granules, which absorb odors. All meet UL 900 standards for flame retardance.
Filter Efficiency @ | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| HVAC Filter Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Carbon Concentration, g/sq. ft. | Material | Frame Material | Max. Temperature, °F | Each | |
2" Thickness | |||||||||||
| 12 × 24 | 13 | 45% | 85% | 95% | 0.3 | 18 | Carbon-Filled Polyester Plastic | Cardboard | 180° | 0000000 | 0000000 |
| 20 × 20 | 13 | 45% | 85% | 95% | 0.3 | 18 | Carbon-Filled Polyester Plastic | Cardboard | 180° | 0000000 | 000000 |
| 20 × 24 | 13 | 45% | 85% | 95% | 0.3 | 18 | Carbon-Filled Polyester Plastic | Cardboard | 180° | 0000000 | 000000 |
| 20 × 25 | 13 | 45% | 85% | 95% | 0.3 | 18 | Carbon-Filled Polyester Plastic | Cardboard | 180° | 0000000 | 000000 |
| 24 × 24 | 13 | 45% | 85% | 95% | 0.3 | 18 | Carbon-Filled Polyester Plastic | Cardboard | 180° | 0000000 | 000000 |
Odor-Removal Box Air Filters
Carbon granules in these filters remove odors from the air. The rigid frame won’t bend or twist from sudden changes in airflow, such as those created by variable air volume systems. For a long service life, the V-shape design increases the filtering area and reduces resistance to air.
MERV 8 filters trap dust in common areas such as warehouses and offices.
MERV 15 filters capture fine particles such as bacteria and smoke in labs and other settings where it’s important to keep air pure.
Filter Efficiency @ | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HVAC Filter Trade Size | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Carbon Concentration, g/sq. ft. | Material | Frame Material | Max. Temperature, °F | Each | |
MERV 8 | ||||||||||
12" Thick | ||||||||||
| 12 × 24 | 3.4% | 19% | 70% | 0.3 | 46 | Carbon-Filled Polyester Plastic | Plastic | 130° | 0000000 | 000000000 |
| 24 × 24 | 3.4% | 19% | 70% | 0.3 | 46 | Carbon-Filled Polyester Plastic | Plastic | 130° | 0000000 | 00000000 |
MERV 15 | ||||||||||
12" Thick | ||||||||||
| 12 × 24 | 78% | 95% | 99% | 0.3 | 46 | Carbon-Filled Polyester Plastic | Plastic | 130° | 0000000 | 00000000 |
| 24 × 24 | 78% | 95% | 99% | 0.3 | 46 | Carbon-Filled Polyester Plastic | Plastic | 130° | 0000000 | 00000000 |
Filter Cartridges for Reducing Odor and Chlorine in Water
Use these cartridges in a filter housing to treat water quality and reduce odor and chlorine in your line.
Pleated cartridges provide a large surface area for high particle retention.
Solid cartridges are for high strength and durability.
| Ht. | OD | ID | Removes Particle Size Down To, microns | Max. Flow Rate, gpm | Max. Temp., °F | End Type | Each | ||
Carbon—Pleated | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| A | 3 3/4" | 2 5/8" | 1" | 5 | 2 | 140° | Open on Both Ends | 0000000 | 000000 |
Carbon—Solid | |||||||||
| B | 4 7/8" | 2 1/2" | 1" | 5 | 0.5 | 125° | Open on Both Ends | 00000000 | 0000 |
| B | 9 3/4" | 2 1/2" | 1" | 5 | 1 | 125° | Open on Both Ends | 0000000 | 0000 |
| C | 9 3/4" | 2 3/4" | 1" | 5 | 3 | 125° | Open on Both Ends | 0000000 | 00000 |
| D | 9 3/4" | 2 7/8" | 1" | 20 | 1 | 125° | One Open and One Closed | 00000000 | 00000 |
| E | 9 3/4" | 2 5/8" | 1" | 1 | 1 | 145° | Open on Both Ends | 0000000 | 00000 |
| E | 9 3/4" | 2 7/8" | 1" | 0.5 | 0.6 | 165° | One Open and One Closed | 00000000 | 00000 |
| E | 9 3/4" | 2 7/8" | 1" | 0.5 | 1 | 125° | Open on Both Ends | 0000000 | 00000 |
| E | 9 3/4" | 2 7/8" | 1" | 5 | 1 | 125° | Open on Both Ends | 0000000 | 00000 |
| E | 9 3/4" | 2 7/8" | 1" | 5 | 1 | 180° | Open on Both Ends | 0000000 | 00000 |
| E | 9 3/4" | 4 5/8" | 1" | 5 | 2 | 180° | Open on Both Ends | 0000000 | 00000 |
| E | 20" | 2 7/8" | 1" | 0.5 | 2 | 180° | Open on Both Ends | 0000000 | 00000 |
| E | 20" | 2 7/8" | 1" | 5 | 2 | 180° | Open on Both Ends | 0000000 | 00000 |
| F | 9 3/4" | 4 5/8" | 1" | 25 | 10 | 100° | Open on Both Ends | 0000000 | 00000 |
| F | 20" | 4 5/8" | 1" | 25 | 20 | 100° | Open on Both Ends | 0000000 | 000000 |
Carbon Paper—Pleated | |||||||||
| B | 10" | 2 1/2" | 1" | 10 | 3 | 125° | Open on Both Ends | 0000000 | 00000 |
| B | 10" | 4 1/2" | 1" | 10 | 8 | 125° | Open on Both Ends | 0000000 | 00000 |
| B | 20" | 2 1/2" | 1" | 10 | 6 | 125° | Open on Both Ends | 0000000 | 00000 |
| B | 20" | 4 1/2" | 1" | 10 | 16 | 125° | Open on Both Ends | 0000000 | 00000 |
Build-Your-Own Filter Cartridges for Water
Unscrew the bottom of these cartridges and fill with your own media. Cartridges fit standard filter housings. They can be cleaned for repeated use.
Acid-washed filter media reduces ash content and dust particles.
