Filter foam PPI - 20 black 1.5x1m 15mm With a high capacity dust retention, this filter foam PPI - 20 now also very good mechanical and physical properties for efficient and sustainable use. Features: Colour: Black Dimensions: 1.5x1m Thickness: 15mm Grade: Density 20 Kg / m3: 20 kPa Longitudinal tensile strength: transverse tensile strength 70 kPa: 70 Compressive strength at 50% kPa: 3 Packaging: filtration foam comes in good packaging for transport.