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.

inside diameter of 4-inch?

The inside diameter is like 4.3 made to fit a 4 inch pipe

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SUPPLYGIANT Supply Giant 6I49 Flexible PVC Coupling with Stainless Steel Clamps, Blackpt, 4 Inch

Product ID: 100704786

Details

Brand
Supply Giant
Colour
Blackpt
Connector type
Coupling
Exterior finish
PVC
Item dimensions L x W x H
10.2 x 10.2 x
Item weight
363 g

⚡Quick, easy installation

🔧4-inch flexible PVC coupling

🛠️Stainless steel clamps for secure fit

$32.77

Duties & taxes included

In stock

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Description

🔗 Lock in reliability with Supply Giant’s flexible coupling—because your pipes deserve the best!

BUILT TO LAST - Durable PVC construction resists soil conditions and wear, ensuring long-term reliability.
NEXT DAY READY - Highly rated and fast shipping means you’re never stuck waiting on critical repairs.
SECURE CLAMPING POWER - Heavy-duty stainless steel clamps provide a rock-solid seal that won’t loosen over time.
VERSATILE APPLICATION - Perfect for sewer, drain, vent, and repair jobs—your go-to coupling for any pipe challenge.
PRECISION FIT ZERO HASSLE - Designed to snugly fit Schedule 40 pipes with a 4.5-inch inside diameter for seamless connections.

The Supply Giant 6I49 is a 4-inch flexible PVC coupling equipped with stainless steel clamps, engineered for secure, durable connections in plumbing and sewer systems. Its resilient PVC body withstands harsh soil conditions, while the clamps ensure a tight, leak-proof fit. Trusted by professionals for quick installation and reliable performance, this coupling is ideal for a wide range of pipe repair and connection needs.

Specifications

ASIN	B00HZSKZ0A
Best Sellers Rank	72,309 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 2,469 in Pipe Fittings
Brand	Supply Giant
Colour	Blackpt
Connector Type	Coupling
Connector type	Coupling
Country of Origin	Taiwan
Customer Reviews	4.5 out of 5 stars 343 Reviews
Exterior Finish	PVC
Global Trade Identification Number	00804595048276
Included Components	Coupling
Item Dimensions	10.2 x 10.2 x 15.2 centimetres
Item Type Name	Flexible Pvc Coupling with Stainless Steel Clamps
Item Weight	0.8 Pounds
Item dimensions L x W x H	10.2 x 10.2 x 15.2 centimetres
Manufacturer	Everflow
Material	Polyvinyl Chloride
Model Number	6I49
Number of Pieces	1
Part Number	6I49
Set Name	1 flexible PVC coupling
Size	4 Inch
Thread Size	4 inch
Thread Type	UN
UPC	804595048276
Unit Count	1.0 count

Reviews

R**E

Fits well and delivered next day.

Good product and fit well. It was next day delivery in Ireland, though oddly it wasn't available on the .ie version of Amazon.

9.05.2025

A**R

Making a 110mm pipe repair simple.

Unreal product to get you out of a jam.

27.09.2025

C**S

Good

14.03.2025

B**E

Perfect

Good quality for those little pipe repairs

10.11.2024

S**E

Diabolical

Item works great delivery over 6.5 hours late

30.12.2024

A**A

Excelente acoplador

Lo utilizamos para instalar válvula antiretorno en drenaje de casa

31.03.2024

F**V

GREAT IN A JAM !

WORKED TO JERRY RIG A POORLY DESIGNED HEAT PUMP DRAIN LINE , WORKED EVEB BETTR AFTER I DI NOT NEED IT ANY MORE WHEN I HAD A NEW HEAT PUMP INSTALLED THAT WAS THE CORRECT SIZE FOR MY SMALL HOME !

2.07.2026

S**E

good

13.01.2026

P**S

Adapté au diamètre de sortie et d’entrée de l’aspirateur à radon fantech rn2

Vraiment parfait pour installer un aspirateur de radon Rn2 de Fantech Diamètre 4 pouces

30.06.2024

A**R

Fonctionnalité et disponibilité

Utilisé sur une installation à faible pression négative: fonctionne bien mais plus dispendieuse que ce qui est disponible localement...

24.12.2021

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$32.77

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Reema J.

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