Inside diamater of the 8"?

Tube or coupling described as 8-In has an inside diameter of 8-In.

Inside diameter of 1 1/4

A 1-1/4” rubber sleeve will fit a 1-1/4 PVC pipe! A 1-1/4” PVC pipe has an OD of 1.6” and the sleeve has an ID of 1.6 “ so it fits perfectly over the pipe. It works that way with all the sizes - the PVC’s OD is ALWAYS the same as the sleeves ID. PVC pipe is sold based on it’s ID and it’s OD is always more. Fittings, connectors and sleeves are always sold by the size pipe they are meant to fit (typically slid over) so will have a larger ID than the pipes announced size. Ex: 1-1/2” PVC is 1-1/2” ID but 1.9” OD. You would need to buy a 1-1/2” rubber sleeve (with an ID of 1.9) to fit over the PVC tube! Don’t complicate it any more than the manufacturers already have! Pipe is sold by their ID and fittings are sold by the pipe size that they fit.

Size	4 Inch
Material	Polyvinyl Chloride
Brand	SUPPLYGIANT
Color	Blackpt
Item dimensions L x W x H	4 x 4 x 6 inches
Connector Type	Flange
Thread Size	4 inch
Exterior Finish	PVC
Item Weight	12.8 ounces
Number of Pieces	1
Global Trade Identification Number	00804595048276
Manufacturer	Everflow
UPC	804595048276
Part Number	6I49
Product Dimensions	4 x 4 x 6 inches
Item model number	6I49
Style	Single Unit
Item Package Quantity	1
Water Consumption	1 Gallons per Flush
Measurement System	inch
Certification	not_applicable
Included Components	Coupling
Batteries Included?	No
Batteries Required?	No
Warranty Description	4825, 5.5200000000000005

Everconnect 4827

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