Free shipping over $99  ·  Limited lifetime warranty
FlowPro

The World's Fastest Self-Priming Siphon

Shake.
Flow.
Done.

Move fuel and liquids up to 10 gallons per minute with a shake of your wrist. No pumps. No batteries. No mouthful of gas.

Trusted by boaters everywhere · Limited lifetime warranty

SOURCE · HIGHERTANK · LOWERSELF-PRIMINGCOPPER NOZZLE

0GPM

MAX FLOW RATE

NO PUMPS · NO BATTERIES

What are you moving?

One tool, a hundred jobs. Pick your world.

Best Sellers

Not sure which size? Take the 10-second size quiz

FlowPro Jr. — ½" ID × 6' Self-Priming Siphon4 GPM

½" × 6' Siphon

Jet skis · Pontoons · ATVs

$8.95
FlowPro Jr. — ½" ID × 8' Self-Priming Siphon4 GPM

½" × 8' Siphon

Dock reach · Jet skis

$13.95
FlowPro — ¾" ID × 8' Self-Priming Siphon7 GPM

¾" × 8' Siphon

Pontoons · UTVs · Faster flow

$34.95
FlowPro Original — 1" ID × 6' Self-Priming Siphon10 GPM

1" × 6' Siphon

Wake boats · Big tanks

$39.95

No pump. No power.
Just physics.

  1. 1

    Drop the copper nozzle in

    Submerge the jiggler end in the fuel or liquid you're moving.

  2. 2

    Shake up and down

    A few quick shakes and the glass-ball check valve primes the hose automatically.

  3. 3

    Watch it flow

    Gravity does the rest — up to 10 gallons per minute. Lift the nozzle to stop.

Full illustrated guide →
FlowPro siphon transferring fuel from a gas can into a boat at the dock

Proven on the dock, the trail, and the backyard

Boaters, riders, and hot-tub owners have been buying FlowPro for years — on Amazon and direct.

700+

verified ratings on Amazon

10 GPM

max flow — fastest in its class

Lifetime

limited warranty on every siphon

The last siphon you'll ever buy.

Give it a shake and let gravity do the work — backed by a limited lifetime warranty.

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