Vertex® XL4 AirStation™
Vertex®, XL4™ Self Sinking AirStation™ has a Vacuum-formed HDPE base, spot-welded for unit integrity. Hollow chamber design for the addition of gravel ballast.
The XL4 AirStation™ includes four CoActive, self-cleaning disc diffusers made of EPDM compound with 100% rebound memory.
- Flexible, long-wearing and clog-resistant 9" disc membrane diffusers
- Diffusers are highly efficient even during low or moderate air flows
- FlowControl™ technology equalizes airflow to each disk
- Energy-efficient die-cut perforations with a "Delta" surface pattern increase active surface area and aeration efficiency.
- Lipped Designed to prevent settling into soft bottom sediments
- StableTrak™ technology increases lift velocity
- Includes a 1/2" male fitting for BottomLine tubing connection
- Comes with a five year, no questions asked Vertex® warranty
Made in the U.S.A.