<p>Air filter Malossi 20X40</p>
<p>TECHNICAL SPECIFICATIONS</p>
<ul>
<li>Filters made of polyurethane foam, self-extinguishing, two layers coupled by a special hot forming process that does not alter its filtering characteristics.</li>
<li>The first layer is made of a red filtering media: open cell polyurethane foam with a porosity of 45 ppi *.</li>
<li>The second layer is made of a black filtering media: open cell polyurethane foam with a porosity of 60 ppi *.</li>
</ul>
<p>(*ppi: pores per inch)</p>
<p>Malossi Double Red Sponge air filter 40X30 cms</p>
<p>TECHNICAL SPECIFICATIONS</p>
<ul>
<li>Filters made of polyurethane foam, self-extinguishing, two layers coupled by a special hot forming process that does not alter its filtering characteristics.</li>
<li>The first layer is made of a red filtering media: open cell polyurethane foam with a porosity of 45 ppi *.</li>
<li>The second layer is made of a black filtering media: open cell polyurethane foam with a porosity of 60 ppi *.</li>
</ul>
<p></p>
<p><strong><span style="color:#808080;">(*ppi: pores per inch)</span></strong></p>