To make it easy to find the right Airstar, we’ve divided our catalog by power output. The Small, Medium, Large, and X-Large power options make it easy to choose the right Airstar for the size of your set, lighting challenges, and your production budget. Small Series – Up to 4000W with smaller size envelopes, using a lower volume of helium, and very budget friendly. Medium Series – Up to 10,000W using bigger envelopes. Available in multiple shapes. Convenient, practical, and cost-effective. Large Series – Up to 20,000W, using large envelopes. Great for big outdoor areas. XL Series – Up to 80,000W, to light the largest areas. HUGE fill light.