Self-Priming Shaker Siphons · ½" ¾" 1"
Shake.Flow.Done.
A few shakes start the flow. Gravity does the rest — up to 10 gallons a minute on the 1" models. No pump, no batteries, no mouthful of gas.
700+ verified ratings on Amazon · Selling direct since 2019
0GPM
MAX FLOW RATE
NO PUMPS · NO BATTERIES
Free shipping on $99+
Usually ships in 1–2 business days
Limited lifetime warranty
Fails under normal use? We replace it
Safe for fuel & water
Anti-static hose, brass nozzle
Secure checkout
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What are you moving?
Pick what you're fueling or draining.
Boating
Fuel wake boats, pontoons, and jet skis right at the slip — no trailering to the pump, no funnel balancing.
Shop for your boat →
Off-Road
Top off Jeeps, four wheelers, and side-by-sides on the trail — straight from the can.
Shop for the trail →
Home & Water
Drain a hot tub, cold plunge, or aquarium without a pump — no electricity near the water.
Shop for home →
Best Sellers
What customers order most. Not sure which size? Take the 10-second size quiz
No pump. No power.
Just physics.
- 1
Drop the brass nozzle in
Submerge the jiggler end in the fuel or liquid you're moving.
- 2
Shake up and down
A few quick shakes and the glass-ball check valve primes the hose automatically.
- 3
Watch it flow
Gravity does the rest — up to 10 gallons per minute. Lift the nozzle to stop.
Proven on the dock, the trail, and the backyard
Boaters, riders, and hot-tub owners have bought FlowPro direct since 2019 — and on Amazon.
700+
verified ratings on Amazon
Since 2019
shipping direct to boaters, riders, and homeowners
Lifetime
limited warranty on every siphon
Buy it once.
Pick the size that fits your filler neck. A few shakes, and gravity handles the rest.
Shop all siphons