Pros
- Comes with three nozzle sets to accommodate various paint types and viscosities.
- Solid metal build featuring stainless steel needles and a brass airflow cap.
- Includes an air regulator gauge and paint strainers in the box.
- Delivers a smooth, splatter-free finish when material is properly thinned.
Cons
- Requires an external air compressor with sufficient CFM output to operate.
- Thicker latex and water-based paints must be carefully thinned before use.
- A full 1000cc cup adds noticeable weight during overhead or extended spraying.
The Throohills HVLP Siphon Feed Spray Gun Kit is an air-powered paint applicator designed for automotive enthusiasts, woodworkers, and home renovators. Built to tackle a wide variety of coating tasks, this setup handles vehicle body panels, outdoor sheds, furniture refinishing, and artistic craft applications with minimal overspray.
A standout feature is the inclusion of three distinct nozzle sizes (1.4mm, 1.7mm, and 2.0mm). This allows users to match the fluid tip precisely to the viscosity of the coating material, whether laying down light basecoats, urethane clearcoats, or thinned primers. Real-world performance shows strong atomization and an even fan pattern that avoids clumping, provided the paint is properly thinned prior to loading.
In terms of construction, the spray gun uses a durable brass airflow cap, wear-resistant stainless steel fluid components, and a robust 1000cc aluminum siphon container. The 360-degree adjustable cap enables quick transitions between horizontal and vertical spray angles. The included inline regulator gauge offers convenient real-time pressure monitoring directly at the tool handle.
While users must provide their own compatible air compressor and take time to thin heavier latex formulations, the Throohills spray gun kit delivers consistent coverage and impressive versatility. It serves as an accessible, capable addition to any DIY workshop.
Brand: Throohills
Model: 4001-1.4set-blue
Feed Mechanism: Siphon Feed HVLP
Cup Capacity: 1000cc (Aluminum)
Nozzle Sizes Included: 1.4mm, 1.7mm, 2.0mm (Stainless Steel)
Airflow Cap Material: Brass
Power Source: Pneumatic / Air Compressor
Included Accessories: Air regulator with pressure gauge, 6 paint strainers, cleaning brush, and assembly wrench
