st901 features

ST901 Features, Translated Into What They Mean for You

Feature	What it means for you
35 in interior diameter (widest Macy-Pan soft-shell)	Room to stretch, shift, or bring a child alongside. Reduces 90-minute session fatigue for larger adults.
1.3 ATA standard, 1.5 ATA upgrade	Start at mild wellness pressure and step up as you acclimate. Pressure tier selected at checkout.
Horizontal lying layout, ergonomic design	Even body-weight distribution removes pressure points. Works for users with back or joint issues.
Triple-layer TPU with nylon coating, SGS and RoHS certified	Third-party verified material safety. Non-toxic, eco-compliant, rated for daily use.
Triple heat-welded seams	No glues or adhesives, so no off-gassing smell. Stronger airtight integrity than glued seams.
Dual YKK zipper sealing system	Smooth entry and exit. Rated for 2,000+ cycles of daily use without seal failure.
Oil-free compressor with 4-stage filtration	Runs under 50 dB. Clean air across long sessions. No compressor contamination.
Medical-grade oxygen concentrator, up to 95% purity	No tanks, no refills. Continuous oxygen production with adjustable flow rates.
Large transparent viewing windows	Natural light and outside visibility. Major claustrophobia reducer in soft-shell format.
Dual pressure relief valves, auto-depressurize on power loss	Redundant safety layers. Power cut mid-session? The chamber releases pressure safely.
350 lb max user weight	Accommodates most adult body sizes, including a parent-plus-child configuration.
Optional memory foam mattress and optional AC unit	Contoured comfort for extended sessions. Climate control for warm-weather locations.