Pocket Filters

Lombarda Filtri’s pocket filters are available in soft-pocket versions, made with synthetic or fiberglass media, and in rigid-pocket versions with micro-glass fibre paper media. These filters are classified according to EN ISO 16890, with filtration classes ranging from ISO Coarse 50% to ISO ePM1 85%, equivalent to G3–F9 under EN 779:2012.

Application fields

Pocket Filters Available from Lombarda Filtri

LOM-BAG SP Synthetic Fibre Pocket Filters

SP filters feature a metal frame supporting heat-sealed polyester fibre pockets. With efficiency classes from ISO Coarse 50% (G3) to ISO ePM10 60% (M6), they offer good dust-holding capacity. A polyurethane-frame version is also available for easy incineration.

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LOM-BAG SH Synthetic Fibre Pocket Filters

SH synthetic pocket filters are made of fine polypropylene fibres supported by a metal frame. Standard formats are also available with a polyurethane frame, easily disposable through incineration. Efficiencies range from ePM10 85% (M6) to ePM1 80% (F9).

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LOM-BAG VH Fiberglass Pocket Filters

VH series filters feature pockets made of micro-glass fibre wadding with good dust-holding capacity, supported by a robust metal frame. Ideal for industrial HVAC systems. Available efficiencies range from ISO ePM2.5 50% to ISO ePM1 80% (M6 to F9).

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RP Rigid Pocket Filters

RP rigid pocket filters feature a plastic frame and micro-glass fibre media, ensuring high air-filtration efficiency from ISO ePM2.5 50% to ISO ePM1 85% (M6 to F9).

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Applications of Pocket Filters

Pocket filters from Lombarda Filtri are used across multiple sectors:

Hotels

ensure clean air in rooms and common areas.

Hospitals

improve air quality in wards and can serve as prefilters for absolute filtration in operating theatres.

Shopping centres

enhance air quality in high-traffic commercial spaces.

Museums

improve comfort for visitors and staff while protecting artworks and artefacts from airborne contamination.

Industries

reduce airborne impurities, protecting workers and supporting production processes.

Offices

create healthier and more comfortable work environments.

Painting systems

maintain process quality and ensure compliance with safety and hygiene standards.

Private homes

improve indoor air quality by reducing dust and allergens.

Technical Features

Lombarda Filtri’s pocket filters are designed to ensure reliability, quality, and compliance with current standards. Consult the technical specifications to ensure clean air, safety, and optimal performance in industrial and civil environments.

Models: SP 15, SP 20, SP 40, SP 55

Available with rhomboidal spacers (depth 500–650 mm) for improved airflow

Max operating temperature: 90°C

Optimal airflow: 75–125% of nominal flow

Applications

Used in ventilation systems and AHUs as final or prefilters. Good dust-holding capacity; self-supporting pockets withstand system discontinuities.

Installation & Maintenance

Installable on front-access frames. Replace at 250–300 Pa.

Characteristics

View Table

Front Dimensions and Depth	Number of pockets	Capacity [m³/h]	Initial Pressure Drop [Pa]
Front Dimensions and Depth	Number of pockets	Capacity [m³/h]	SP 15	SP 20	SP 40	SP 55
592 x 592 x 360	6	3000	50	55	70	70
592 x 592 x 500 (*)		3600
592 x 592 x 650 (*)		4250
Filtration class according to EN ISO 16890			ISO Coarse 55%	ISO Coarse 80%	ISO ePM₁₀50%	ISO ePM₁₀55%
Filtration class according to EN 779:2012			G3	G4	M5	M6
(*) Pockets with diamond separators

Models: SH 65, SH 85, SH 95, SH 99

Acceptable airflow: 75–125% of nominal flow

Max operating temperature: 80°C

Applications

Used as final filters or prefilters. Compared to fiberglass models, they do not release fibres, making them suitable for food and pharmaceutical applications.

Installation & Maintenance

Prefiltration upstream recommended. Installable on front-access frames. Replace at 250–300 Pa.

Characteristics

View Table

Front dimensions and depth	Number of pockets	Capacity [m³/h]	Initial pressure drop [Pa]
Front dimensions and depth	Number of pockets	Capacity [m³/h]	SH 65	SH 85	SH 95	SH 99
592 x 592 x 535	8	3000	90	110	150	195
592 x 592 x 635		3400
592 x 592 x 735		3700
592 x 592 x 915		4000
Filtration class according to EN ISO 16890			ISO ePM₁₀85%	ISO ePM_2,565%	ISO ePM₁70%	ISO ePM₁80%
Filtration class according to EN 779:2012			M6	F7	F8	F9

Models: VH 50, VH 60, VH 80, VH 95

Linear correlation between airflow and pressure drop (approximate)

Max operating temperature: 90°C

Acceptable airflow: 75–125% of nominal flow

Applications

Used in ventilation systems and air-handling units, both as final filters and as prefilters for absolute filters.

Installation & Maintenance

Prefiltration upstream is recommended. Compatible with front-access frames. Not regenerable; replace at 250–300 Pa.

Characteristics

View Table

Front dimensions and depth	Number of pockets	Capacity [m³/h]	Initial pressure drop [Pa]
Front dimensions and depth	Number of pockets	Capacity [m³/h]	VH 60	VH 80	VH 95
592 x 592 x 535	8	3000	70	110	140
592 x 592 x 635		3400
592 x 592 x 735		3700
592 x 592 x 915		4000
Filtration class according to EN ISO 16890
Filtration class according to EN 779:2012			M6	F7	F8/F9

Available in four models: RP 60, RP 80, RP 90, RP 95.

Linear correlation between airflow and pressure drop (approximate)

Maximum operating temperature: 80°C

Relative humidity: up to 100%

Acceptable airflow range: 0–120% of nominal flow

Applications

Used as final filters or as prefilters for absolute filters. Their rigid, compact construction allows installation in any position and ensures stability even with frequent system start-stops. The media does not release fibres, making them suitable for food and pharmaceutical environments.

Installation & Maintenance

A prefiltration stage upstream is recommended. Installable on front-access frames designed to host prefilters. Not regenerable; replacement recommended at 250–300 Pa pressure drop.

Characteristics

View Table

Front dimensions and depth	Filtering media surface	Capacity [m³/h]	Initial pressure drop [Pa]
Front dimensions and depth	Filtering media surface	Capacity [m³/h]	RP 60	RP 80	RP 90	RP 95
592 x 592 x 292	18 m²	3400	85	95	105	120
592 x 490 x 292	14,5 m²	2600
592 x 287 x 292	8,9 m²	1700
Filtration class according to EN ISO 16890			ISO ePM_2,550%	ISO ePM₁55%	ISO ePM₁70%	ISO ePM₁85%
Filtration class according to EN 779:2012			M6	F7	F8	F9

Advantages of Pocket Filters

High filtration efficiency for dust and particulate

Durability and resistance thanks to high-quality materials

Easy installation and maintenance, including polyurethane frames suitable for incineration

Customisable configurations in dimensions and materials

All Our Filters

Filter Mats

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Filter Cells

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High-Efficiency Filters

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Pocket Filters: Choosing the Right Type

Selection depends on filtration class, ventilation system type, and application environment. Rigid pocket filters offer greater stability in variable-flow systems or frequent start-stop conditions. Soft synthetic or fiberglass pockets provide higher dust-holding capacity.

Pocket Filter Standards

All Lombarda Filtri pocket filters are classified according to EN ISO 16890 and EN 779:2012.

Standards

EN ISO 16890

EN 779

EN 1822

EN ISO 29463

EN ISO 10121

Custom Filtration Solutions

Available models:

RP rigid pocket filters: RP 60, RP 80, RP 90, RP 95
VH fiberglass pocket filters: VH 50, VH 60, VH 80, VH 95
SH synthetic pocket filters: SH 65, SH 85, SH 95, SH 99
SP synthetic pocket filters: SP 15, SP 20, SP 40, SP 55

Personalized Technical Consulting

Lombarda Filtri provides tailored consulting and technical support to identify the most suitable filtration solution for HVAC systems, ensuring efficient and safe air management.