We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Tuesday, Jan 7
£19.99 Flat Shipping + VAT £19.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates
Payment Methods
Delivery Partners
Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Actual Depth | 3 3/4" |
| Actual Filter Size | 19 3/8" x 23 3/8" x 3 3/4" |
| Actual Height | 19 3/8" |
| Actual Width | 23 3/8" |
| Air Filter Capacity | High Capacity |
| Air Flow @ 300 Fpm | 1000 CFM |
| Air Flow @ 500 Fpm | 1667 CFM |
| Filter Efficiency (air Filters) | 85% |
| Filters Out | Cooking Oil, Copier Toner, Droplet Nuclei (Sneeze), Insecticide Dust, Merv 13-16 All Bacteria, Most Face Powder, Most Smoke, Paint Pigments |
| Final Recommended Resistance | 1 in. wc |
| For Use With | Hvac Systems |
| Frame Color | White |
| Frame/header Material | Beverage Board |
| Gasket Material | None |
| Initial Resistance @ 300 Fpm | 0.22 in. wc |
| Initial Resistance @ 500 Fpm | 0.37 in. wc |
| Max. Temp. | 180°F |
| Max. Velocity | 500 FPM |
| Media Area | 18.8 sq. ft. |
| Media Color | White |
| Media Material | Synthetic |
| Nominal Depth | 4" |
| Nominal Filter Size | 4" x 20" x 24" |
| Nominal Height | 20" |
| Nominal Width | 24" |
| Performance Rating | Merv 13 |
| Pleats Per Linear Foot | 9 |
| Style | Panel |
| Ship weight (kg) | 0.86 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+