Prevent system failure and restore peak performance with the OWS Windmill Maintenance Kit. Designed specifically for BalCam I and II windmill aeration systems, this kit includes all essential replacement components-diaphragms, valves, and seals-crafted from durable materials engineered to withstand harsh outdoor conditions. Regular maintenance every 4-6 years ensures your windmill operates efficiently, reducing downtime and costly emergency repairs. Whether you're a seasoned DIYer or maintaining multiple ponds, this kit offers clear, step-by-step instructions to guide you through a straightforward installation. Save time and money by avoiding piecemeal parts and uncertainty. Trust OWS for proven parts that protect your investment and keep your pond healthy.