Why is my camlock filter difficult to install? May 13, 2018 23:40 Updated Follow Please check the bottom of the filter to see if any plastic needs removing. Related articles What do the control valves operate in my spa? How do I set up my SpaNet touchpad? How do I install my vortex headrests? Pool vs Swim Spa? What are the color options for my spa cabinet? Comments 0 comments Article is closed for comments.