- Available ISO Ratings: ISO 6, ISO 7, ISO 8
![](https://www.terrauniversal.com/media/catalog/product/cache/9432eaff33670a35f4bedbf129c1737a/s/t/stainless-steel-cleanroom-door-with-automatic-door-bottom-gasket.jpg)
BioSafe® CleanSeam™ stainless steel doors feature an automatic door bottom for a tight door seal | 1999-99 displayed
Pre-Hung Manual Swing Doors
Automatic Door Bottom Gasket Upgrade
Read more
![ISO 6 Icon](https://www.terrauniversal.com/media/attribute/advance/image/I/S/ISO-6-r3.png)
Terra Part #: 1999-99
Manufactured By: Terra Universal
Print
Want a quote quickly ?
Submit a QuickQuote request
Summary
- Available ISO Ratings: ISO 6, ISO 7, ISO 8
- Automatic door bottom is a dynamic drop-down gasket for swing doors.
- Gasket engages and seals bottom gap when the door closes, effectively maintaining room pressure difference.
- The mechanism is fully mortised and concealed underneath the door.