Modern civil defence shelters and protected facilities require reliable air regeneration systems capable of maintaining safe indoor conditions during periods when fresh air cannot be supplied from outside. The ARC CO2 6000L Modular CO₂ Scrubber is designed specifically for this purpose, providing controlled removal of carbon dioxide (CO₂) while supporting safe occupancy in enclosed environments. Product page:https://www.shelter-shop.com/product-page/afu-co2-6000l-ebl-180-ff-w

Modern civil defence shelters, bunkers, safe rooms and protected infrastructure require ventilation systems that can continue operating while protecting occupants from the effects of blast waves. According to the manufacturer, the BVNO 1000 Blast Valve is a normally open, dual-action automatic blast valve designed to protect ventilation openings by automatically closing when exposed to blast wave pressure while allowing normal airflow during standard operation. Official produ

Modern civil defence shelters, safe rooms and protected facilities require ventilation components capable of maintaining normal airflow while automatically protecting the interior during blast events. According to the manufacturer, the BVNO 50 Blast Valve is a normally open, dual-action automatic blast valve designed to close automatically under blast wave pressure while allowing unrestricted airflow during standard operation. The valve is available either as a standard unit

AFU 50 is an advanced NBC/CBRN filter designed for integration into air filtration and ventilation systems used in safe rooms, civil defence shelters, bunkers, industrial facilities and other protected environments. It can also be integrated into other compatible filtration systems or used to replace an existing filter. Atmas Group The AFU 50 is designed for a nominal airflow of 50 m³/h, making it a compact filtration unit for systems where a controlled and relatively low air