Replacement Compressor for PowerAir 1 and PowerAir 2 units Compressor replacements are available in 115v or 230v What's included? Air inlet filter Rubber feet 5' power cord Features: Universal dual voltage motor Oil-less operation Superior...

3/8" Weighted Airline for Natural Waterscapes PowerAir Systems Weighted tubing is used for connection from the air compressor to diffuser stations.   You may also need: Airline Connector 3/8" to 5/8"

Compressor Maintenance Kit for PowerAir 3 units Improve compressor output by performing maintenance. The Maintenance Kit comes with all necessary parts to rebuild the compressor.  What's included? Piston Cup Cylinders O-Rings Cup Retainer...

Vertex Replacement 3/4 HP Brookwood Compressor SafeStart technology for full pressure restarts Highest flow rate of any compressor in its class Available in 115V  or 220V Oil-free – requires no lubrication 2 – 4 times the duty...

Replacement Compressor for PowerAir 3 units Compressor replacements are available in 115v or 230v What's included? Air inlet filter Rubber feet 5' power cord Features: Universal dual voltage motor Oil-less operation Superior quality,...

Compressor Maintenance Kit for PowerAir 4 units Improve compressor output by performing maintenance. The Maintenance Kit comes with all necessary parts to rebuild the compressor.  What's included? Piston Cup Cylinders O-Rings Cup Retainer...

3/8" Weighted Airline for Natural Waterscapes PowerAir Systems Weighted tubing is used for connection from the air compressor to diffuser stations.   You may also need: Airline Connector 3/8" to 5/8"

Vertex XL1 Diffuser Station The Vertex XL1 Airstation is designed for use with Vertex Aeration Systems. The membrane technology of the Vertex diffuser has been independently tested and proven to outperform other makes and models of diffusers. Due...

Vertex XL4 Air Station - (4) 9" disks Comes with 4, 9" disks on a stainless steel base Best for 16' and deeper Minimum CFM: 2.0 Vertex part number: ASTNXL

Drop-in insert check valve that prevents backflow and keeps airflow one-directional in windmill and compressor aeration setups. A failing check valve quietly cuts oxygen output and strains the compressor; this weather-resistant plastic/rubber replacement...

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Tower cone bushings for OWS windmill aerators and large yard windmills — the wear part between cone and pivot tube.

Replacement Compressor for PowerAir 4 units Compressor replacements are available in 115v or 230v What's included? Air inlet filter Rubber feet 5' power cord Features: Universal dual voltage motor Oil-less operation Superior quality,...

The simple, budget-right diffuser for windmill and small-pond aeration: a self-sinking airstone that throws thousands of fine bubbles, with a foot valve for one-way airflow. No anchoring hardware or tools needed. Choose a single, or the double pack with...

Drop-in 12" rubber membrane replacement for worn or aging diffuser discs. The low-PSI opening design releases maximum air without straining the windmill or pump, and the precision-slotted membrane resists clogging season after season.

Self-cleaning EPDM rubber membrane diffuser on an integrated self-sinking base — no gravel, no added weights, just connect and drop. The membrane sheds buildup that clogs stone diffusers, keeping bubble output (and oxygen transfer) consistent with...

Replacement tower cone for OWS 3-leg large windmill towers. The cone is the transition piece at the tower top that carries the pivot tube; replace it if yours is damaged or lost in a rebuild.

OEM-spec galvanized ground stake clamps for OWS windmill towers, sold as a complete set of three pairs. Corroded or loosened clamps let a tower work itself unstable; a full replacement set restores factory anchoring. Made in the USA.

Weather-resistant galvanized replacement dome for OWS windmills. Installs quickly with the included self-tapping screws and keeps the hub protected from rain and debris.

18-gauge galvanized brace that keeps windmill blades aligned and rotation balanced. A missing brace is the usual culprit behind blade wobble; this universal part drops into any OWS head.