– Trusco Trueline Model 250 APT Air Pressure Tank Paint Striping Machine The Trueline 250 APT (air pressure tank) 5 gallon striper is an easy to use factory floor, parking lot or field striper. This unit is great for companies that have easy access to compressed air. One charge will spray 5 gallons of paint … Continue reading – Trusco Trueline Model 250 APT Air Pressure Tank Paint Striping Machine