Spare parts of cavity set

What's the spare parts in cavity set?



1, aluminium terminal cap 1 pair ( left and right)
2,
reflector set, cavity main part 1 pc
3, O ring 1 set
4, water flow tube + reflector set 1 set
5, light guide + metal plastic cover 1 set
6, lamp cap 1 pair
7, metal plate 2 pcs
8, peltier module 2 pcs


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