Malmesbury MMC is a top hyperbaric chamber manufacturer in china with 13-year experience. We work under ISO9001, ISO13485, and all models of chambers are with CE Certificate. Slide door entry for ease of use. 1.5 ATA (7 psi) operating pressure. Easy installation and operation. The Control system combines compressor, oxygen concentrator, and cooling unit. Delivers 95% oxygen under pressure via face mask (optional). Logistics delivery (estimated): 4-7 days Contact us to place your order.