Replacement paper filter mod. 4 for hot tub spas and swim spas, BL-CPFILTM4U is designed for Beauty Luxury and depending on the amount of water in the tub there may be more than 1 filter installed.
The simple maintenance involves washing in fresh water, without the use of abrasives, every time the water in the tub is changed.
In this way you will always get clean water, which will benefit the long life of pumps and jets because the filtering surface is very large.
The filter normally has a life of at least 12 months.