1. hth FIRST 20

hth® FIRST 20

Designed to be used in conjunction with hth easiflo Briquettes, and produces a ready-to-use, on demand chlorine solution for disinfecting swimming pools and spas.

  • Easy to install, operate and maintain
  • Ideal for larger volumes of water
  • No dosing pump or complex injection system required
  • Can be used with an automatic controller
  • Designed for hth easiflo Briquettes, known for their exclusive anti-scale additive