Bag filters
M5 – F9 synthetic bag filters
Secondary filters for air handling systems where a high level of air cleanliness is needed, and pre-filtration for HEPA filters. Standard sizes held in stock for next-day delivery.
- M5 – F9
- ePM10 55% – ePM1 85%
- 300mm – 625mm pockets
Filter grade
M5 – F9 / ePM10 55% – ePM1 85%
| EN 779 | M5 – F9 |
|---|---|
| ISO 16890 | ePM10 55% – ePM1 85% |
| Filter role | Secondary filter, HEPA pre-filter |
| Media | 100% polypropylene synthetic, two-stage |
| Header frame | Galvanised steel, metal or plastic header |
| Header depths | 20mm, 25mm, 30mm |
| Pocket lengths | 300mm – 625mm |
| Max operating temperature | Up to 80°C |
| Humidity resistance | Up to 100% RH |
| Sizes | Stocked sizes next-day, non-standard made to order |
| Testing | Media tested to ISO 16890 and EN 779:2012 |
Standard sizes
Common face sizes
Nominal imperial sizes with their actual metric face dimensions. Other sizes are manufactured to order.
| Nominal (inches) | Actual (mm) |
|---|---|
| 24 × 24 | 592 × 592 |
| 24 × 20 | 592 × 492 |
| 24 × 12 | 592 × 287 |
Efficiency
Grades available
Each EN 779:2012 grade with its ISO 16890 equivalent.
| EN 779:2012 | ISO 16890 |
|---|---|
| M5 | ePM10 55% |
| M6 | ePM10 65% |
| F7 | ePM2.5 70% |
| F8 | ePM1 65% |
| F9 | ePM1 85% |
Product features
Construction and performance
- Secondary filters (M5 – F9) for air handling systems, generally used in areas requiring a high level of air cleanliness such as offices, hospitals, computer centres, pharmaceutical and the food industry.
- Pre-filtration for high grade filters such as HEPA filters.
- Constructed by mounting 100% polypropylene filter media pockets into a galvanised steel header frame, with 20mm, 25mm and 30mm header sizes.
- Available in pocket lengths from 300mm to 625mm.
- High dust holding capacity and long service life.
- Humidity resistant up to 100% RH.
- Temperature resistant up to a maximum of 80°C.
- Both metal and plastic frame headers available.
- Standard sizes held in stock and available for next-day delivery. Non-standard sizes manufactured to order.
- Media tested to ISO 16890 and EN 779:2012.
Key benefits
- The tightly woven, ultra-fine fibre structure with two-stage filtration gives a high dust holding capacity for a longer service life.
- A low initial pressure drop saves energy and time, reducing costs in the long run.
Typical applications
- Offices
- Hospitals
- Computer centres
- Pharmaceutical
- Food industry
- HEPA pre-filtration
Talk to the Maxi team
Interested in m5 – f9 synthetic bag filters?
Compare the range
How M5 – F9 synthetic compares with other bag filters
| Specification | G3 – G4 | M5 – F9 synthetic | M5 – F9 energy saving |
|---|---|---|---|
| EN 779 | G3 – G4 | M5 – F9 | M5 – F9 |
| ISO 16890 | ISO Coarse 50% – 60% | ePM10 55% – ePM1 85% | ePM10 55% – ePM1 85% |
| Media | 100% polypropylene pockets | 100% polypropylene synthetic, two-stage | 3-layer fibre media, endless edge-welded pockets |
| Header | Galvanised steel | Galvanised steel, metal or plastic header | Galvanised steel |
| Header depths | 20mm, 25mm | 20mm, 25mm, 30mm | 20mm, 25mm |
| Pocket lengths | 300mm – 625mm | 300mm – 625mm | 300mm – 625mm |
| Max temperature | Standard HVAC | Up to 80°C | Up to 80°C |
| Availability | Non-standard sizes made to order | Stocked sizes next-day, non-standard made to order | Non-standard sizes made to order |
G3 – G4G3 – G4 bag filters
Stand-alone or pre-filter
- ISO 16890
- ISO Coarse 50% – 60%
- Pocket lengths
- 300mm – 625mm
M5 – F9M5 – F9 premium energy saving bag filters
Energy saving secondary filter, HEPA pre-filter
- ISO 16890
- ePM10 55% – ePM1 85%
- Pocket lengths
- 300mm – 625mm
FAQs
M5 – F9 synthetic bag filters: frequently asked questions
M5–F9 Synthetic Bag Filters are secondary filters designed for air handling units (AHUs) and HVAC systems where a higher level of air cleanliness is required. They are commonly used in offices, hospitals, pharmaceutical facilities, computer centres, and food production environments.
Make an enquiry
Make an enquiry about M5 – F9 Synthetic Bag Filters
Simply fill in the form below to make your enquiry and one of the Maxi team will get back to you as soon as possible.
Technical help without the hard sell
Need M5 – F9 synthetic bag filters?
Send the face size, pocket length, header depth, grade and quantity, or a photo of the existing label, and Maxi will confirm the right specification.