PFFN-3406 | Pro-Flex CSST Female Adapter | 3/4" Pipe Size570438382SKU:FN-3406Inventory ID:03612379Select Item:Price: $19.99Quantity: Proflex CSST Gas Pipe Manual 3/4" Proflex CSST Female Adapter Connect CSST pipe to a male iron pipe thread. Reviews Choose your rating12345