Head Retaining Spring  (Part No. A-00028)

Replacement sampling head retaining spring.  Sold individually

Contact Plate Holding Springs  (Part No. A-00068)

Replacement springs used to hold 55 mm contact plates.  Sold in a pack of 3.

Petri Dish Retaining Springs  (Part No. A-00070)

Replacement springs used to hold 90 mm Petri dish plates.  Sold in a pack of 3.

Spring Retaining Screws  (Part No. A-00254) for pre-2018 models

Replacement stainless steel M3 x 6 screws used to fasten the dish, plate and head retaining springs.  Sold in a pack of 10.