2 extraction socks adjustable from 100 to 125mm;
2 intake socks 100 to 125mm;
1 extraction sock on the roof, adjustable from 100-125mm;
3 passive intakes with completely removable UV flap;
2 passages for electrical cables (lamp, fan, pump …);
8 ultra-resistant plastic angles,
very resistant zipper openings.
internal chamber lining highly reflective mylar entirely.