FNS Adapter for the following Filters:
- Pentair FNS Filters
- 6" FNS Butt Thread
- Use with Item 195308
- Filters manufactured before 11/1/91 use a different 6" bottom adapter 195219 and only fits lower piping 195107.
- Filters manufactured between 11/1/91 and 10/1/92 utilize a different 6" bottom adapter 195225 and only fits lower piping 195107.
- Do not try to interchange adapters with opposite piping.
- Use RTV silicone on threads.