4300813 Pleated Air Filter MERV 11 (20" x 20" x 4")

Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4300813 |
| Nominal Size | 20 x 20 x 4 inches |
| Actual Size | 500 x 500 x 44 mm |
| MERV Rating | 11 (85-90% efficiency on 3-10μm particles) |
| Media Material | Synthetic Fiber (Polyester-Polypropylene Blend) |
| Frame Material | Reinforced Cardboard |
| Maximum Temperature | 250°F (121°C) |
| Initial Resistance | 0.25" w.g. @ 500 FPM |
| MOQ | 20 pieces |
Recommended Applications
- Commercial office buildings HVAC systems
- Hospital and healthcare facility air handling units
- School and university ventilation systems
- Retail stores and shopping malls
- Light industrial manufacturing facilities
Customer Testimonials
"Consistent quality across all orders. Our HVAC maintenance costs dropped 12% after switching to these filters."
- Midwest Commercial Properties
"Excellent airflow with superior particle capture. Our 3-year OEM partnership has been flawless."
- EuroAir Systems
"Reliable supplier with competitive pricing. Filters arrive well-packaged with no damage."
- Gulf Coast Filter Distributors
OEM/ODM Services Available
We specialize in custom filter solutions for distributors and equipment manufacturers:
- Custom sizes from 12"x12" to 24"x24" (300-600mm)
- MERV ratings from 8 to 13
- Private labeling and custom packaging
- Bulk discounts for orders over 500 units
Frequently Asked Questions
Q: What is the typical lead time for orders?
A: Standard orders ship within 3-5 business days. Custom OEM orders typically require 10-15 business days for production.
Q: Can I get samples before placing a bulk order?
A: Yes, we provide up to 2 sample filters for evaluation (shipping costs apply).
Q: What payment terms do you offer?
A: We accept T/T, L/C, and PayPal. New customers typically pay 30% deposit with balance before shipment.
Q: How do these compare to fiberglass filters?
A: Our pleated filters provide 3-4x the surface area, last 2-3x longer, and capture smaller particles while maintaining better airflow.
Contact Our Filter Specialists
Ready to order or need a custom quote?
WhatsApp: +86 18965520297
WeChat: +86 18965520297
Email: Sales@parts-machining.com
Serving industrial and commercial clients worldwide since 2012









