Blue Horizons Multifunction 5 in 1 Chlorine Tablets Lay Z Spa Pool Hot Tub

125mm Floating Chlorine / Bromine Tablet Dispenser. Quick to release lid with twist lock, secure and convenient. Fill with either 20g Chlorine or Bromine tablets and float in the pool. Chlorine tablets simple to use stabilised multifunctional tablets that make caring for your hot tub or pool simple and easy.

eBay