Vintage Red Comet liquid fire extinguishers

Group of different vintage Red Comet brand liquid fire extinguishers, these factory labels show Red Comet being produced in the day at Littleton, Colorado but now probably long gone, first version is a hanging red plastic cradle containing the grenade inside, priced at $90.00, second is a wall mounted cradle/ dispenser for the grenade priced at $75.00 and last is a similar version but hanging style for the grenade priced at $60.00 each, call/ text Doug