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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventories  
Schedule of inventories

Inventories consist of the following:

December 31, 

December 31, 

    

2021

    

2020

(in thousands)

Refrigerants and cylinders

$

99,828

$

53,593

Less: net realizable value adjustments

 

(5,684)

 

(9,133)

Total

$

94,144

$

44,460