Hepa Filter Holder for LV-H132 filter and 140mm Fan 3D Model almost 2 years 15 Nanohack mod (two filters + improvements) 3D Model almost 2 years 15 VMO MASK V2 - 3D-PRINTED PROTECTIVE - Coronavirus COVID-19 3D Model almost 2 years 4 Mascherina con doppio filtro + valvola one way NON CERTIFICATA tipo FFP2-3 V2.2 - Mask with filter 3D Model almost 2 years 1 Photon S air tip 3D Model almost 2 years 1 Desktop air filter / fume extractor 3D Model almost 2 years 3 Air Purifier 3D Model almost 2 years 4