Aerometric repair kit for Parker '51' Aerometric Standard sizewith the Ebonite Breather Tube and Feed When repairing these models the old Ebonite tube is often snapped at the feed and very difficult to remove without damaging the feed itself. 

The kit contains 

1 x Aerometric Sac 

1 x Replacement 'O' Ring (Depending on which Hood you have this 'O' ring may not be require in all cases)

1 x Ebonite Feed fitted with Breather Tube.