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  • KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1
  • KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1
  • KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1
  • KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1
  • KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1
  • KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1
KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1

KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1

  • 20 - 49 Sets
    $25
  • 50 - 79 Sets
    $20
  • 80 - 99 Sets
    $12
  • >= 100 Sets
    $6

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
View product details

KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Efficiency Filtration: Equipped with a MERV 11 rating, the KLC filter effectively traps dust, pollen, and particles as small as 1-3 microns, ensuring clean indoor air in HVAC systems.
  • Pleated Design: The synthetic fiber and cotton blend in pleated media maximizes surface area, enhancing filtration capacity while maintaining airflow efficiency.

Key features

  • 1. Material Technology

    • With a corrosion-resistant cardboard frame and synthetic fiber/cotton blend media, ensure structural durability and efficient filtration of fine particles. Compared to plastic frames, this design resists warping and maintains shape over time*.

  • 2. Interactive Design

    • With a pleated filter media design, maximize airflow coverage and particle capture. The pleated structure increases surface area by up to 50% compared to flat filters*, enhancing filtration efficiency.

  • 3. Performance Parameters

    • With a MERV 11 efficiency rating, effectively trap 90% of particles as small as 1-3 microns. Outperforms standard MERV 8 filters in capturing allergens and fine dust*.

  • 4. Scenario Solutions

    • Designed for home HVAC systems, provide reliable filtration to improve indoor air quality against common pollutants like dust and pollen. Ideal for residential environments requiring moderate filtration*.

  • 5. Certification Standards

    • Constructed with eco-friendly synthetic fiber and cotton materials, contributing to sustainable home environments. Compliance with indoor air quality standards is assured*.

Product details

KLC High Quality Cardboard Frame Pleated AC Furnace HVAC Air Filter 20x20x1Inch MERV 11 Air Filter Furnace Filter 16x25x1

The KLC High Quality Cardboard Frame Pleated HVAC Air Filter is designed for efficient air purification in HVAC systems. Available in three performance tiers, these square filters (20x20x1 inch) feature pleated synthetic fiber and cotton media for enhanced particle capture, housed in durable cardboard frames. Ideal for residential and commercial use, they balance filtration efficiency with airflow optimization.

Technical specifications

FeatureSpecificationApplication Scenario
ConstructionBox filter with cardboard frameStandard HVAC slots requiring stability
EfficiencyMERV 11 (Medium to High Filtration)Allergy-prone homes, offices, and schools
MaterialSynthetic fiber + cotton blendReduces dust, pollen, and pet dander
Size20x20x1 inchFits standard furnace and AC systems

Customization guide

Adjust the MERV rating (e.g., MERV 8, 11, or 13) to match specific needs:

  • Low Allergen Environments: Opt for MERV 8 for balanced airflow and cost.
  • High Particulate Areas: Choose MERV 13 for finer particle capture in industrial or polluted zones.

Get inspired

The pleated design maximizes surface area, enabling superior filtration without airflow restriction. For example, the MERV 11 model traps 90% of particles as small as 3 microns, ideal for households with pets or seasonal allergies.

Choose your model

ParameterBase Model (MERV 8)Advanced Model (MERV 11)Pro Model (MERV 13)
Filtration Efficiency30% particles ≥ 3µm85% particles ≥ 3µm95% particles ≥ 1µm
Airflow Resistance0.5" w.g.0.75" w.g.1.0" w.g.
DurabilityStandardReinforced cardboardCorrugated frame

Supplier's note

  1. Technical Breakthroughs:

    • Pleated Design: 30% higher surface area than flat filters, improving efficiency without airflow loss.
    • Synthetic/Cotton Blend: Combats humidity better than pure cotton, extending lifespan by 40%.
    • Cardboard Frame: Eco-friendly and 20% lighter than plastic frames, reducing installation strain.

  2. Version Selection Guide:

    • Base Model: Best for budget-conscious users needing basic filtration (e.g., low-traffic homes).
    • Advanced Model: Ideal for families with allergies or pets (e.g., trapping pollen and dander effectively).
    • Pro Model: Suited for industrial/commercial use where ultrafine particles (e.g., smoke, mold spores) are a concern.

With the Pro Model’s MERV 13 rating, you can achieve hospital-grade filtration in offices. Pair its corrugated frame with high-traffic HVAC systems to maintain airflow while capturing 95% of 1-micron particles. For residential use, the Advanced Model’s synthetic fiber blend ensures durability in humid climates.

Frequently asked questions

  • Which KLC HVAC filter is best for homes with allergies?

  • How often should I replace the KLC 20x20x1-inch cardboard frame filter?

  • Can the KLC MERV 11 filter be cleaned and reused?

  • What’s the difference between synthetic fiber and cotton in KLC filters?

  • Does the KLC filter fit standard 20x20x1-inch HVAC slots?

  • Can KLC filters be customized for higher MERV ratings?

  • Is the KLC filter’s MERV 11 rating certified for home use?

  • How do pleats in the KLC filter improve air quality?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard HVAC Filter (MERV 8)Residential homes, basic HVAC systemsMERV 8 (captures 50% of ≥3.0 µm particles▲0)
Cotton/polyester blend
Cardboard frame		Low cost, minimal airflow resistance▲0
Easy installation▲0		Ineffective against small particles (<3.0 µm)▲0
Frequent replacements▲0
KLC Base (MERV 11)Allergy-prone households, moderate pollutionMERV 11 (captures 85% of ≥1.0–3.0 µm▲1)
Synthetic fiber (ISO 9001 certified▲1)
Reinforced cardboard frame▲1		Better allergen reduction▲1
Lower pressure drop than higher MERV filters▲1		Slightly higher airflow resistance▲1
Requires compatible HVAC systems▲1
KLC Advanced (MERV 13)Commercial buildings, hospitalsMERV 13 (captures 90% of ≥0.3–1.0 µm▲2)
Blended synthetic/cotton▲2
Metal frame▲2		Highest filtration efficiency▲2
Durable for high-humidity environments▲2		Higher cost▲2
Requires robust HVAC systems to maintain airflow▲2
HEPA Filters (MERV 17)Medical facilities, cleanroomsMERV 17 (99.97% of ≥0.3 µm▲3)
Electret-treated glass fiber▲3
Rigid aluminum frame▲3		Ultimate particle capture▲3
Meets ISO 14644 cleanroom standards▲3		Expensive▲3
High pressure drop strains HVAC systems▲3
Electrostatic FiltersOffices, schoolsElectrostatic charge (captures 90% of ≥1.0 µm▲1)
Reusable design (ISO 17025 tested▲1)		Cost-effective long-term use▲1
Reduces dust buildup▲1		Efficiency declines with reuse▲1
Less effective against ultrafine particles▲1
Washable FiltersHigh humidity areas, eco-conscious usersAluminum mesh (ISO 9001)
Reusable (5+ wash cycles▲2)
Filters 50% of ≥3.0 µm▲0		Eco-friendly▲2
Low maintenance costs▲2		Lower filtration efficiency▲0
Requires regular cleaning▲2

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