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Home > Products > Panel Filters > Pleated Panel Filters > Metal Cased Panel Filters > Metal Cased G4 Pleated Panel Filter 1″/25mm Depth
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Metal Cased G4 Pleated Panel Filter 1″/25mm Depth
From: From £6.16 Incl. VATFrom £5.13 Excl. VAT (£6.16 - £26.75 Inc. VAT)
About this G4 Pleated Panel Filter 1″/25mm Depth Metal Frame
Size equals height x width x depth
Please enquire regarding non-standard sizes.
The G4 Pleated Panel Filter can be used as a pre-filter for higher-grade filters such as our synthetic bag filters, or as stand-alone filters in HVAC systems for offices, retail, education, food and hospital applications or for use in hot air furnaces. Our G4 Pleated Panel Filters are disposable and economical for high volume systems.
Our G4 Pleated Panel Filters are constructed with a galvanised steel case and a polyester media laminated to a rust-resistant expanded steel mesh, pleated to increase filter surface area.
Max. Working Temperature: 80°C
Rated Maximum Face Velocity: 3.17 m/s
15ppf (pleats per linear foot), available upon request at 10ppf.
Rated Airflows (@ 3.17m/s):
- 24x24x1″ = 4250m3hr @ 98Pa Initial Resistance
- 24x20x1″ = 3400m3hr @ 98Pa Initial Resistance
- 24x16x1″ = 2832m3hr @ 98Pa Initial Resistance
- 24x12x1″ = 2125m3hr @ 98Pa Initial Resistance
- 20x20x1″ = 2950m3hr @ 98Pa Initial Resistance
- 20x16x1″ = 2360m3hr @ 98Pa Initial Resistance
- 18x18x1″ = 2390m3hr @ 98Pa Initial Resistance
- 16x16x1″ = 1888m3hr @ 98Pa Initial Resistance
- 12x12x1″ = 1062m3hr @ 98Pa Initial Resistance
- 10x10x1″ = 737m3hr @ 98Pa Initial Resistance
Contact our team for more information.
We charge a flat rate delivery charge of £12 plus VAT, excluding certain items such as our MVHR filters which include free shipping. MVHR filters are sent via Royal Mail 24, all other orders are sent via next day couriers such as DPD and Tuffnells. Orders will be shipped as one consignment, sent with the slowest lead time item.
Media rolls measuring 2m or more will incur an additional fee if the receiver address is residential.
We accept returns on all standard sized products for 30 days after your order has been received. Returned goods must be in new and unused condition. Any item ordered directly from our site is considered to be a standard size.
Filters Direct is a leading UK supplier of HVAC filters, such as pleated panel filters, bag filters, HEPAs and wire frame fan coil filters. We offer unparalleled service online, with incredibly competitive prices and fast delivery times all whilst manufacturing in our UK factory. See why we are one of the fastest-growing HVAC air filter suppliers in the UK.
Are you a wholesale supplier/servicer?
Here’s why you should get your filters from us:
- Trade discounts
- Custom labelling and branding options
- Lightning-fast lead times
Contact us today for more information.
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Free Delivery On all orders total value over £300
30 Day Returns Return within 30 days for a full refund.
Stellar Support We have a dedicated team to help you.

Made in the UK All our products are manufactured in the UK.