The FLUX FX.PUMP 300I is the definitive industrial-grade 30mm marker. This pump-valve classic is built for those who need maximum coverage and permanent results. Pre-filled with the renowned FX.INK, this marker is designed to dominate almost any surface, from oily metal and rough concrete to smooth glass.
Despite its massive 30mm body, it features a precision-engineered tip that allows for both broad strokes and controlled handstyles. It’s a versatile, high-capacity tool that has earned its "classic" status in both the industrial sector and the street art scene.
Key Features
Super Wide 30mm Profile: Designed for high-visibility marking and extra-large tags.
High-Performance FX.INK: Filled with premium black permanent ink that is highly opaque, ensuring your mark covers in one go.
Reliable Pump System: The internal valve allows you to regulate the ink flow perfectly—press for a saturated, juicy output or keep it steady for clean, crisp lines.
Industrial Strength: Once dry, the ink is both smear-proof and waterproof, making it "unbuffable" and resistant to harsh weather conditions.
Multi-Surface Compatibility: Specifically formulated to bond to almost any substrate, including porous and non-porous materials.
Technical Specifications
Color: Industrial Black.
Body Diameter: 30mm.
Tip Width: 15mm - 30mm (depending on pressure and angle).
Ink Type: FX.INK (Permanent, high-opacity).
Mechanism: Pump-action valve.
Properties: Smear-proof, waterproof, and lightfast.
Why the FX.PUMP 300I?
In a world of smaller pens, the 300I stands out. It holds a significant volume of ink, meaning you can keep going longer without needing a refill. The combination of the wide body and the 15mm-30mm flow makes it the ideal choice for those who want their work to be seen from a distance. It is durable, user-friendly, and consistently reliable.

