4 in. 300 PSI FRP Imported Housing Pressure Vessels!
 
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- Made with high quality FRP with an advanced winding process.
- Designed for continuous, long-term use as housings for reverse osmosis.
- Maximum operation pressure 300 PSI (21kg/cm2).
- The filament wound FRP shell is composed of continuous fiber glass impregnated with heated epoxy resin system.
- Allowable water PH range is 3-10 under normal operation conditions and 2-12 when vessel is periodically cleaned.
| Model # | Membrane size | # of membranes | OAL (in) | Weight (Lb) | Price | 
| PV-4040-FRP | 40x40 | 1 | 44.3" | 10.2lb | Contact | 
| PV-4021-FRP-300 | 40x21 | 1 | 25.3" | 8.2lb | Contact |