filter holders and compatibility

[beast20vt]

just a quicky,do the 4" and 4"x6" filters from coking and lee filters fit each others filter holders?reason i ask is i want the lee filter holder system but i want to use a fair few coking filters so need to know if they will fit

 

[Strax]

I dont see why not. Both are 100mm across.

 

[beast20vt]

yeah but its the thickness of the filters that worries me as i want them to be secure as i dont fancy smashing a few £50 filters