Keep your Blue Diamond ET-120 air pump running at peak performance with this genuine maintenance kit. Designed to fit all ET-120 model air pumps, the kit includes the replacement service parts needed to refresh your pump and restore reliable airflow to hydroponic reservoirs, aeration systems, and pond setups.
Blue Diamond recommends performing maintenance every 18 months, and routine servicing with this kit helps extend pump life, maintain consistent output, and avoid the unexpected downtime that stresses plants dependent on steady oxygenation. Servicing your own pump is a quick, economical alternative to replacement, keeping a proven workhorse in your system for years.
| Part Type | Maintenance Kit |
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| Brand | Blue Diamond |
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| SKU | SKET120 |
| Weight | 4.0 lb |
| Dimensions (L × W × H) | 6 × 2 × 2 in. |
| Lead Time | Ships in 3-5 business days |
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Which air pumps are compatible with the Blue Diamond Maintenance Kit?
The Blue Diamond Maintenance Kit is designed for all ET-120 models and all ET model air pumps from Blue Diamond.
How often should the Blue Diamond Maintenance Kit be used?
Blue Diamond recommends maintenance every 18 months for peak performance when using the Blue Diamond Maintenance Kit.
