The smaller diameter hose creates a flexible connection between the spray gun and hose for easier movement and less strain while spraying. The small diameter hose creates a flexible connection between the spray gun and the 1/4 inch paint hose for more control when spraying.From the ManufacturerGraco - The Brand Preferred by Pros. Whether you’re a weekend warrior, a serious DIY enthusiast, a handyman or remodeling contractor, or a painting professional, Graco makes the ideal airless spraying equipment to meet your needs. Whether you are just starting out or moving up, choose the Magnum or Graco model to help you handle your job with ease. No matter what you're painting-entire homes, rooms, decks or fences-Graco has you covered!
