I purchased 6 beds from one company and one bed from another company, all 7 of the beds I purchased come with equal amount of fans per bulb/ballest.
meaning thier are for example in my base beds which are 28
bulbs, 14
bulbs & ballests in canopy, thier are 14 fans in the canopy. 14
bulbs & ballests in base, thier are 14 fans. pulling the heat off each ballest and bulb.