SHIELDS Black Heavy-Duty Vinyl Blower Hose 4″ – 420-4″

Description

SHIELDS Black Heavy-Duty Vinyl Blower Hose 4″ – 420-4″

The SHIELDS 420-4″ Black Heavy-Duty Vinyl Blower Hose is designed for marine ventilation systems, including bilge blower ducting and engine compartment fume extraction. Built from heavy-duty black PVC permanently bonded to a crush-resistant PVC helix, this hose provides strong airflow support while remaining flexible enough for routing through tight onboard spaces.

• 4″ inside diameter fits larger marine bilge blowers and ventilation fittings
• Heavy-duty black PVC construction for durability in marine environments
• Crush-resistant PVC helix helps maintain airflow through bends and installation runs
• Resistant to ozone, weathering, and UV sunlight
• Meets or exceeds UL94V flammability rating and MVSS burn test criteria

This hose is suitable for venting bilge gases and fumes where a stronger, more durable alternative to standard light-duty vent hose is required.

Specifications

• Manufacturer: SHIELDS / MPI
• Series: 420 Heavy-Duty Vinyl Blower Hose
• Part Number: 420-4″
• Equivalent / Bulk Part Number: 420-4000 / 116-420-4000
• Inside Diameter: 4″ / 101.6 mm
• Outside Diameter: 4-1/8″ / 104.8 mm
• Wall Thickness: 13 mil
• Wire / Helix Thickness: 0.041″
• Material: Heavy-duty black PVC bonded to crush-resistant PVC helix
• Colour: Black
• Application: Marine bilge blower hose, engine compartment ventilation, and fume venting
• Bulk Box Quantity: 150 ft
• Bulk Box Weight: 25 lb per cubic foot
• Standards: Meets or exceeds UL94V flammability rating and MVSS burn test criteria
• Sold: By the foot unless otherwise specified