AFPRO LSB Bag Filter Series

The AFPRO LSB Bag Filter Series comprises pocket filters with a synthetic filter medium. The manufacturer intends the series as pre-filters for HVAC systems and for industry.

All LSB pocket filters are available in several versions: filter classes ePM10 70% and ePM2.5 70% according to ISO 16890 in various frame sizes, numbers of pockets and pocket depths.

• According to the catalogue, the LSB series comprises the types LSB60 (ePM10 70%), LSB80 (ePM2.5 70%) and LSB90 (ePM1 60%).
• Dimensions of the standard sizes according to EN 15805 (manufacturer's information for AFPRO pocket filters, catalogue p. 31).
• The article number describes the design (catalogue p. 32): filter type, frame code (A = 592x592 mm, B = 490x592 mm, C = 287x592 mm, CC = 287x287 mm), number of pockets and depth code (3 = 360, 5 = 535, 6 = 635 mm); /90 = cross pockets (90°).
• At 592x592x635 mm and 3400 m³/h, the catalogue gives 4.9 m² filter area and 135 Pa initial pressure drop for LSB80A6-6 (6 pockets), and 6.3 m² and 130 Pa for LSB80A8-6 (8 pockets).
• According to the catalogue, the filter area increases and the initial pressure drop decreases with the pocket depth, for example for frame A with 6 pockets at 3400 m³/h: 2.8 m² and 85 Pa (360 mm), 4.1 m² and 70 Pa (535 mm), 4.9 m² and 65 Pa (635 mm).

Select the dimension, the filter class and the version. The dimension is given in mm (width x height x depth). The version states the number of pockets according to the article number.

• Install pocket filters with the pockets vertical (upright), as specified by the manufacturer.
• Observe the correct direction of installation (intake side and clean air side).
• The filter must be mounted correctly so that it seals; the manufacturer specifies fixing at four points.

Information according to the AFPRO catalogue 2026, p. 142. Please check the installation dimension of your filter frame before ordering.