New 2020 Master blaster 3 tubed for more air cooling.
Coldie cooling cartridge (CA2) for; Hard hats, Cricket helmets, Motor bike helmets, any helmet that a Coldie air conditioned insert will fit.
This cooling cartridge fits all 2016 air conditioned inserts onwards. (2015 CA1 model not applicable.)
Place in freezer for a minimum 2 hours to receive 2 hours of cooling time.
You are purchasing one cooling cartridge.
Be sure to see our (CA2) Air conditioned inserts at;
How to install at: https://www.youtube.com/watch?v=-IrKlu_UVLE&feature=youtu.be
Integrity with Coldie (c)2016
Coldie cooling cartridge CA2
2020 Master blaster cooling cartridge for cricket & Construction. Refreezable. Just place in freezer for a minimum of 2 hours before installing in Cooling unit.