Filbur FC-0315, Pleatco PTL47W-P and OEM 03FIL1500 are technical specifications of Unicel 6CH-47 replacement filter cartridge. This filter cartridge is best fit for Advanced Spa Design, Pacific Spas by Aber (Canada), Aber Hot Tubes (Canada), Echo series, Getsby Spas, LA Spas, After Hour Spas, Blue Ridge, Hydro Spa, etc. With semi circular handle on its top this filter cartridge has a width of 6" and length 9 1/8". It is very easy to install. It is made of 100 per cent polyester spunbonded Reemay fabric and hence provides you complete protection from dust, worms, sand particles, etc.