Here they are
https://www.ezvacuum.com/compression-ring-nut-plastic-1-1-2-wand.html
and
https://www.ezvacuum.com/compression-ring-1-1-2-s-type-wand.html
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Here they are
https://www.ezvacuum.com/compression-ring-nut-plastic-1-1-2-wand.html
and
https://www.ezvacuum.com/compression-ring-1-1-2-s-type-wand.html