Your pond's health depends on consistent aeration. When a diaphragm wears out, circulation drops-leading to stagnant water, algae blooms, foul odors, and stressed fish. The OWS Generation 2 & 3 Replacement Diaphragm restores peak airflow so your windmill aerator can do its job: keep water clear, oxygen flowing, and your pond thriving. Designed specifically for Generation 2 & 3 windmills built in Canada, this 9_ diaphragm is a precision fit replacement-backed by our fit guarantee for total peace of mind. No guesswork. No wasted money. Just a reliable solution that gets your system running like new. Unlike costly OEM parts, Outdoor Water Solutions delivers affordable performance without compromise. The diaphragm installs easily with step-by-step instructions, making it DIY-friendly for pond owners who want fast results without a service call.

Whether you're a landowner, farmer, or rural homeowner, this replacement diaphragm helps you protect your pond's ecosystem, control algae and mosquitoes, and maintain a beautiful, healthy water feature year-round.