API Glass Test Tube (Triple Pack)

Genuine replacement API glass test tubes with plastic caps.

Includes:

• 3 x API glass test tubes with plastic caps.

Features:

• Compatible with any API aquarium or pond water test kits.
• Perfect for testing more water parameters at one time.
• Glass test tubes come with snap-tight plastic caps.
• 85mm x 13mm diameter test tube with 5ml mark.