The GReddy Airinx dry dual foam element catches larger particles on the outer edge, keeping the inner area cleaner for longer use. And by not using a wet element, sensitive airflow meters are not contaminated.

Replacement Airinx AY-MB Filter Element (dome shape)

Yellow supplied
   AY-M B - Medium (Dia. 169mm)
   AY-S B  - Small (Dia. 137mm)