We do not have the exact filter wrench for your GE sump. We do offer a universal strap wrench:
AquaPure 68900-34 Adjustable Strap Wrench for Water Filter Housing Canisters and Sumps
The R30-BB is reusable, and the 4th bullet point on this page does, in fact, say this.
R30-BB water filter and Pentek R30BB sediment pleated cartridge 155101 reusable filters It can be reused 3-4 times with a minor drop in efficiency after each use. Just rinse it off with a garden hose.
Thank you,
WaterFilters.NET