If your located in the New York Northeast region, Capitan Commercial Hoods and Fire Systems manufactures custom exhaust stainless steel grease hoods specifically for trailers,concession style, or food trucks in rapid time. You can ordered a 8ft hood system that fits an trailer for around $800 with filter. Custom measurements and sizing. 18 Gauge Stainless Steel. The capabilities of installing complete ansul systems to accommodate the needs for fire prevention. Supplying exhaust fans for proper cfm exhaust, grease laden vapors and low wattage usa, there equipment is commercial grade and prices are great for start ups.