Bostik Breathe refills are dye-free and fragrance-free moisture-absorbing tablets made from calcium chloride designed to be used with the Bostik Breathe two-tablet system, preventing condensation, black mould, and musty smells in your home. -Lasts up to 4 months depending on humidity levels - Dye-free and fragrance-free natural formula. - Covers spaces up to 25m² with two tablets - Easy to install and maintain Effectively reduces condensation and prevents mold growth

• Refills last up to 4 months depending on the humidity level in the area
• Two tablets cover rooms up to 25m2, one tablet covers rooms up to 12m2
• Two tablet system provides up to 33% more absorption than a single tablet system