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Airmax ProAir 4 Complete Diffuser - 4 Stick

  • SKU: AM-510166
  • Brand: Airmax
  • Type: Pond Aeration
Regular price $569.99
Sale price $712.48
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Airmax ProAir 4 Complete Diffuser - 4 Stick
Airmax ProAir 4 Complete Diffuser - 4 Stick
Regular price $569.99
Sale price $712.48

The Airmax ProAir 4 Complete Diffuser - 4 Stick is engineered to maximize oxygen transfer and circulation in shallow ponds and lakes. Featuring a durable weighted sled design, this diffuser system stays submerged and upright during installation while delivering efficient aeration performance for healthier water conditions.

The PTFE non-stick membrane diffuser sticks create fine bubbles that improve oxygen diffusion and circulation while remaining virtually maintenance-free. An integrated check valve helps protect the compressor system by preventing water backflow into the airlines.

Designed for long-term reliability and simplified installation, the ProAir 4 diffuser is an excellent solution for improving water quality, reducing stagnation, and supporting healthier aquatic environments.

Why Choose Airmax ProAir 4 Complete Diffuser - 4 Stick?

  • Weighted Sled Design: Keeps the diffuser submerged and properly positioned during installation and operation.
  • Maximum Oxygen Transfer: Fine bubble diffusion improves aeration efficiency and circulation.
  • PTFE Non-Stick Membranes: Helps reduce maintenance and fouling buildup.
  • Integrated Check Valve: Prevents water backflow into the airline system.
  • Virtually Maintenance-Free: Membrane sticks provide reliable long-term operation.
  • Shallow Water Performance: Designed specifically for ponds and lakes with shallower depths.
  • Durable Construction: Built for long-lasting outdoor pond and lake applications.
  • Improved Water Quality: Helps increase circulation and dissolved oxygen levels.

What's Included

  • 2 Deep Water Diffuser Sleds
  • 4 PTFE 6" Membrane Sticks
  • 1 Diffuser Manifold with Check Valve
  • 1 5/8" to 3/4" Barb x MPT Insert Reducer Adapter
  • 1 3/8" to 3/4" Barb x MPT Insert Reducer Adapter
  • 1 Stainless Steel Hose Clamp

NOTE

Inspect and clean membrane diffuser sticks every 24-36 months or whenever airflow decreases noticeably. Diffuser membranes are considered wear parts and are not covered under warranty.

PRO TIP

Position the diffuser in the deepest practical area of the pond to maximize vertical circulation and improve oxygen distribution throughout the water column.

ProAir 2ProAir 4
Airmax Aeration ApplicationSolarSeries
Shallow Water Series
Shallow Water HP Series
PondSeries
LakeSeries
Diffuser Size14.75"L x 8"W x 3.75"H19"L x 19"W x 5"H
Included Membrane Diffuser Sticks(2) PTFE Non-Stick 6" L Sticks(4) PTFE Non-Stick 6" L Sticks
Included Check Valve(1) .750 NPT Assembly(1) .750 NPT Assembly
Warranty5 Years
Airmax Part Number490354510166

Shipping Information

We aim to get your pond and water garden supplies to you as quickly as possible.

  • Orders over $250 ship free across North America.
  • A flat rate of $14.99 applies to all smaller orders.
  • Standard delivery takes 1 to 4 business days.
  • Most in-stock items are dispatched within 24 hours.
  • Special order items may require 2 to 14 business days before shipping, depending on availability.
Returns & Exchanges

If something isn’t quite right, we’ve got you covered.

  • Returns are accepted within 30 days of delivery.
  • Items must be unused, in original packaging, and include all parts and proof of purchase.
  • All returns require prior authorization. Items sent without approval will not be accepted.
  • Shipping costs are non-refundable unless the item is confirmed defective upon delivery.
  • Items marked as Clearance, Special Order, or Final Sale are non-returnable and cannot be cancelled, returned, or refunded.

For full details, please review our Shipping Policy and Refund Policy.

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