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What is the difference between MALE and FEMALE ends?
Example: A 6 inch male end will fit into a 6 inch female pipe. The Male ends of reducers/increasers are crimped.

Note: Gas venting systems must have all male connections pointing up. Solid fuel systems must have all male connections pointing down. Call 1-866-941-5112 for help.



Our reducers/increasers come with 2 female ends. We can custom crimp what you need for your order or you can do it yourself with a crimping tool.

Select a product below
Reducer/Increaser - 4in(F) to 3in(F)
Reducer/Increaser - 4in(F) ...
Price: $44.00
Reducer/Increaser - 5in(F) to 3in(F)
Reducer/Increaser - 5in(F) ...
Price: $46.20
Reducer/Increaser - 5in(F) to 4in(F)
Reducer/Increaser - 5in(F) ...
Price: $46.20
Reducer/Increaser - 7in(F) to 5in(F)
Reducer/Increaser - 7in(F) ...
Price: $48.40
Reducer/Increaser - 6in(F) to 5in(F)
Reducer/Increaser - 6in(F) ...
Price: $48.40
Reducer/Increaser - 6in(F) to 3in(F)
Reducer/Increaser - 6in(F) ...
Price: $48.40
Reducer/Increaser - 7in(F) to 6in(F)
Reducer/Increaser - 7in(F) ...
Price: $48.40
Reducer/Increaser - 7in(F) to 4in(F)
Reducer/Increaser - 7in(F) ...
Price: $48.40
Reducer/Increaser - 6in(F) to 4in(F)
Reducer/Increaser - 6in(F) ...
Price: $48.40
Reducer/Increaser - 8in(F) to 7in(F)
Reducer/Increaser - 8in(F) ...
Price: $50.60
Reducer/Increaser - 8in(F) to 5in(F)
Reducer/Increaser - 8in(F) ...
Price: $50.60
Reducer/Increaser - 8in(F) to 6in(F)
Reducer/Increaser - 8in(F) ...
Price: $50.60
Reducer/Increaser - 8in(F) to 4in(F)
Reducer/Increaser - 8in(F) ...
Price: $50.60
Reducer/Increaser - 9in(F) to 7in(F)
Reducer/Increaser - 9in(F) ...
Price: $55.00
Reducer/Increaser - 9in(F) to 8in(F)
Reducer/Increaser - 9in(F) ...
Price: $55.00
Reducer/Increaser - 9in(F) to 6in(F)
Reducer/Increaser - 9in(F) ...
Price: $55.00
Reducer/Increaser - 10in(F) to 8in(F)
Reducer/Increaser - 10in(F)...
Price: $59.40
Reducer/Increaser - 10in(F) to 9in(F)
Reducer/Increaser - 10in(F)...
Price: $59.40
Reducer/Increaser - 11in(F) to 10in(F)
Reducer/Increaser - 11in(F)...
Price: $74.80
Reducer/Increaser - 12in(F) to 11in(F)
Reducer/Increaser - 12in(F)...
Price: $79.20
Reducer/Increaser - 12in(F) to 10in(F)
Reducer/Increaser - 12in(F)...
Price: $79.20