- This is a replacement filter holder for the inflatable hot tub. Take a hot tub filter box size VI. COMPATIBLE - Filter holder/housing for hot tubs Compatible with all models Compatible with: 54123 for 54112 54148 54113 54129 5414454129 Compatible with all inflatable hot tubs or spas that require Type VI filters such as for , for , for for Lay-Z Spa VIIntex VI, for 90352E58323E58324 filter pump Colour:grey Material:PVC Package Contents: 1 x Filter holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.