Attributes

Brand	-
Category	3D Printing Accessories / Hot End and Nozzle
Origin	-
Compatible Model	Neptune 4 Plus / Max
Material	High-Temperature Silicone
Color	Red
Heat Resistance	Up to 250°C
Weight	10g
Package Contents	1 x Hotend Sleeve
Installation Type	Slip-On
Primary Function	Thermal Insulation
Safety Benefit	Burn Prevention
Manufacturer Part	N4P-SLEEVE-01

5 reviews

Anonymous

Apr 11, 2026

Rating: 4/5

Good but tight

Hard to take off for nozzle changes, but stays secure during prints.

Anonymous

Mar 15, 2026

Rating: 5/5

Recommended

Every Neptune owner should get this for safety and performance.

Anonymous

Mar 13, 2026

Rating: 5/5

Great Safety Feature

Prevents accidental burns. Fits snugly on my Neptune 4 Max.

Anonymous

Mar 02, 2026

Rating: 5/5

Stable Temps

Helps keep heat in the block. Good for printing ABS materials.

Anonymous

Jan 26, 2026

Rating: 5/5

Easy Install

Took seconds to put on. Works great for insulation.

5 FAQ

Q: Is this compatible with the Neptune 4 Pro?

A: No, this sleeve is designed specifically for the Plus and Max models due to hotend size differences.

Q: What type of silicone is used?

A: We use high-grade heat-resistant silicone suitable for 3D printer hotends.

Q: Will this melt at 240°C?

A: No, the silicone is rated for continuous use up to 250°C without degrading.

Q: What is the return policy if it doesn't fit?

A: We offer a standard 30-day return policy for unused items in original packaging.

Q: Does this interfere with the part cooling fan?

A: No, the sleeve fits around the heater block and does not obstruct airflow from the fan.

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