Photo of Airmax SilentAir Diaphragm Compressor
Photo of Airmax SilentAir Diaphragm Compressor
Photo of Airmax SilentAir Diaphragm Compressor
Photo of Airmax SilentAir Diaphragm Compressor
Photo of Airmax SilentAir Diaphragm Compressor
Photo of Airmax SilentAir Diaphragm Compressor
Photo of Airmax SilentAir Diaphragm Compressor
Photo of Airmax SilentAir Diaphragm Compressor
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Airmax SilentAir Diaphragm Compressor

  • SKU: AM-120912
  • UPC: 811262010887
  • Brand: Airmax
  • Type: Pond Aeration
$615.99
$769.99
Variant: LR25
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Photo of Airmax SilentAir Diaphragm Compressor
Airmax SilentAir Diaphragm Compressor
$615.99
$769.99

The SilentAir Diaphragm Compressor is designed specifically for shallow water pond aeration where quiet operation and energy efficiency are essential. Using linear diaphragm technology, it delivers steady airflow with minimal vibration and extremely low power consumption.

These compressors are well suited for shallow ponds up to 6 feet deep and are commonly used as the driving unit behind shallow water aeration systems. A large top-mounted air filter helps extend service life by keeping internal components clean during continuous operation.

Why Choose SilentAir Diaphragm Compressors?

  • Ultra Quiet Operation: Linear diaphragm design minimizes noise and vibration.
  • Energy Efficient: Low wattage makes continuous 24/7 operation affordable.
  • Shallow Water Optimized: Designed for reliable aeration in ponds up to 6 feet deep.
  • Long Service Life: Large air filter supports cleaner operation and extended lifespan.
  • Simple Replacement: Direct replacement option for existing shallow water aeration systems.

PRO TIP

Diaphragm compressors are ideal for shallow ponds but are not designed for deeper water. If diffuser depth exceeds 6 feet, a rocking piston compressor is a better long-term choice to maintain consistent airflow.

LR25LR50
Wattage50 Watts100 Watts
Amperage0.43 Amps0.87 Amps
Max Diffuser Depth6 Feet
Max CFM2.54.9
Monthly Operating Cost (24/7)$3.60$7.20
Replacement Unit ForSW20SW40
Warranty2 Years

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 $17.99 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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