Name: CT-190 2.5" Colon Tube
Brand: siliconenozzles.com
Price: 172.0 USD
Availability: InStock

2.5-inch diameter, black silicone colon tube with Tip B design and 2.8-inch flange, shown on a white background.

2.5-inch diameter, fluorescent yellow silicone colon tube with Tip a design and no flange, shown on a grid background.

CT-190 2.5" Colon Tube

$172.00

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Recommended for open bore options

The CT-190 is a large-diameter colon tube built around a 2.5" (63.5 mm) main shaft. It is available in different lengths and can be made with either a smooth tapered tip or a graduated ribbed tip.

The tube is made to order, so you can choose the overall length, tip style, flange size, bore size, silicone firmness, and color.

Details

Main shaft diameter: 2.5" (63.5 mm / 190 French)
Available lengths: 24" to 44", in 4" increments
Tip options: Smooth tapered Tip B or graduated-rib Tip A
Flange: 2.8" (71 mm)

Tip B — Smooth Taper

Tip B starts with a smaller smooth entry and gradually increases in diameter until it reaches the 2.5" main shaft.

Smooth tapered profile
Approximately 8" of gradual taper before reaching the full shaft diameter

Tip A — Graduated Ribs

Tip A uses three progressively larger ribs separated by valleys before transitioning into the full 2.5" shaft.

First rib: 1.9" (48.3 mm)
First valley: 1.6" (40.6 mm)
Second rib: 2.0" (50.8 mm)
Second valley: 1.7" (43.2 mm)
Third rib: 2.1" (53.3 mm)
Third valley: 1.9" (48.3 mm)
Main shaft: 2.5" (63.5 mm)

Choosing your silicone firmness

Because the CT-190 has a 2.5" diameter shaft, silicone firmness makes a noticeable difference in how the tube behaves.

For this design, Bob recommends #00-20 or #00-50 (Soft). The softer silicone allows the large shaft to flex more easily.

Bob does not recommend going firmer than #00-50 unless you are already very experienced with large-diameter silicone pieces.

If you're unsure which firmness to choose, we recommend ordering our silicone firmness samples first.

Color options

#18 and #30 are available in pure translucent.

#00-20, #00-50, and #10 are translucent white base materials and can be mixed with standard colors.

Please note

The CT-190 is one of our largest designs and is intended for experienced users.

The longer versions add substantially to the overall size of the piece. Everyone's anatomy is different, and we cannot guarantee that a particular length or diameter will be suitable for everyone.

Use appropriate lubrication, never force the product, and stop if you experience pain or significant discomfort. Inspect the silicone before each use and do not use the product if it is damaged.

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