O-RING YDROKALK - WATERKALK
These rubber o-ring should be replaced every year when changing the filters Ydrokalk kit or at worst one in two.
It is advisable to keep them in an airtight bag so that they become dry.
They are also compatible for filter housing 20 inch Big Blue.
Reviews about this O-ring Ydrokalk - Waterkalk - 2 (0 reviews)
22 Route de Pitoys
ZA du Maignon