Silicone Rubber Vacuum Hose Food Grade Tube Pipe Fish Car Aquariums Air - Red
Silicone Rubber Vacuum Hose Food Grade Tube Pipe Fish Car Aquariums Air - Red
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Silicone Rubber Vacuum Hose Food Grade Tube Pipe Fish Car Aquariums Air - RedSilicone Rubber Vacuum Hose Food Grade Tube Pipe Fish Car Aquariums Air - Red

Silicone Rubber Vacuum Hose Food Grade Tube Pipe Fish Car Aquariums Air - Red

HomeDIYer
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By HomeDIYer®

Price:
$3.32 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Silicone Rubber Vacuum Hose — Food-Grade Flexible Tube for Aquariums, Automotive & Air Lines

When a leaking or brittle hose disrupts your aquarium filtration, car vacuum system, or compressed air setup, finding a tube that holds up under pressure and temperature swings is the real challenge. This food-grade silicone rubber vacuum hose is built for hobbyists, mechanics, and DIYers who need a reliable, flexible solution across a wide range of applications.

Each length is cut from solid silicone rubber tubing in a distinctive red color, available in inner diameters (ID) from 2 mm (approx. 5/64") to 14 mm (approx. 35/64") and outer diameters (AD) from 4 mm to 18 mm. Wall thickness varies by size, typically 1–3 mm. Lengths range from 1 M to 20 M, letting you order exactly what your project requires without waste.

Typical use cases include aquarium and fish tank air lines where odor-free tubing is essential, automotive vacuum hose replacement on intake manifolds and brake boosters, and low-pressure compressed air routing in workshop or garage environments. The silicone material remains pliable from approximately -60 °C to +200 °C (-76 °F to +392 °F), making it suitable for under-hood automotive routing as well as chilled water systems.

⚙️ Compatible with standard barbed fittings, hose clamps, and push-fit connectors sized to match the selected ID/OD. Always verify your fitting's barb diameter against the chosen ID before ordering.

✅ Key Features of These Silicone Rubber Vacuum Hose Tubes

  • Food-Grade Silicone Material — Meets food-contact safety standards; odorless and non-toxic, making it safe for aquarium fish, brewing lines, and potable water transfer.
  • Wide Temperature Range — Remains flexible and structurally sound from approximately -60 °C to +200 °C, handling both cold-water aquarium setups and warm automotive engine bays.
  • 19 Diameter Options — ID × OD combinations from 2×4 mm up to 14×18 mm cover the most common hose barb sizes used in plumbing, automotive, and aquarium fittings.
  • Cut-to-Length Flexibility — Available in 1 M, 2 M, 3 M, 5 M, 10 M, and 20 M lengths so you can match your exact run without splicing or excess waste.
  • Kink-Resistant Construction — Silicone's inherent elasticity allows tight bends without collapsing the bore, maintaining consistent airflow or liquid flow through curves and corners.
  • Chemical & UV Resistance — Resists degradation from ozone, UV exposure, and mild chemicals, extending service life compared to standard PVC or rubber tubing in outdoor or engine-bay installations.

📐 Technical Specifications — Silicone Vacuum Hose Tube

Material Food-grade silicone rubber
Color Red
Inner Diameter (ID) Range 2 mm – 14 mm (see variant options)
Outer Diameter (OD) Range 4 mm – 18 mm (see variant options)
Wall Thickness Typically 1–3 mm (varies by size)
Available Lengths 1 M, 2 M, 3 M, 5 M, 10 M, 20 M
Operating Temperature Approx. -60 °C to +200 °C (-76 °F to +392 °F)
Flexibility Kink-resistant; remains pliable at low temperatures
Chemical Resistance Ozone, UV, mild acids & alkalis
Pressure Rating See variant options / Contact us to confirm
Application Aquariums, automotive vacuum lines, air systems, low-pressure fluid transfer
Sold As Continuous length per order (not pre-cut segments)

❓ Frequently Asked Questions

How do I choose the right ID and OD for my fitting?

Measure the outer diameter of your barb fitting — this should match or be slightly larger than the hose's inner diameter (ID) for a snug, leak-free seal. For example, a 6 mm barb pairs well with the 6×8 mm or 6×9 mm variant. If you use a hose clamp, the OD determines which clamp size you need.

Is this hose safe for use in fish tanks and aquariums?

Yes. The tubing is made from food-grade silicone, which is non-toxic, odorless, and does not leach plasticizers into water. It is widely used for aquarium air lines, CO₂ diffuser connections, and canister filter inlet/outlet tubing.

Can this silicone hose handle automotive vacuum applications?

Yes. Silicone's upper temperature tolerance of approximately +200 °C makes it suitable for under-hood vacuum lines such as brake booster hoses, intake manifold vacuum ports, and PCV connections. Confirm the specific pressure rating for your application by contacting us before ordering for high-vacuum or turbo applications.

Will the hose kink when routed around tight corners?

Silicone rubber has a much lower durometer (softer) than PVC, which allows it to bend around curves without collapsing the bore. For very tight bends (bend radius smaller than the OD), use a spring insert or elbow fitting to maintain full flow area.

How does silicone compare to standard PVC tubing for outdoor use?

PVC tubing becomes brittle and cracks with prolonged UV and ozone exposure. Silicone resists both, making it a longer-lasting choice for outdoor pond air lines, garden irrigation connections, or any installation exposed to sunlight. It also stays flexible in cold weather where PVC stiffens.

Can I cut the hose to a shorter length than listed?

Yes. Silicone tubing cuts cleanly with sharp scissors or a utility knife. Select the next length up from your required run — for example, order the 5 M variant if you need 4.2 M — and trim to fit on-site. The cut ends remain smooth and seal well against barb fittings.

What is the minimum bend radius for these hoses?

As a general guideline, the minimum bend radius for silicone tubing is approximately 3–5× the outer diameter without a support insert. For the 4 mm OD variant this is roughly 12–20 mm; for the 18 mm OD variant, approximately 54–90 mm. Tighter bends are possible with a coil-spring insert to prevent bore collapse.

🛒 Select your diameter (ID × OD) and length above, then add to cart.

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