Ancor 306602 Marine Grade™ Adhesive Lined Heat Shrink Tubing, 3/4" x 3" , Black/Red, 1/1/Pk alt-0071924902501 and the elastic wrist band

and the elastic wrist band ensures a snug fit

ventilating steam or odors from heads and general marine air circulation

It can be used on a wide variety of small engines

Manufacturer part number 50-76901

No floats to stick or fill with water

Ancor 306602 Marine Grade™ Adhesive Lined Heat Shrink Tubing, 3/4" x 3" , Black/Red, 1/1/Pk alt-0071924902501 and the elastic wrist bandInsulates and protects connections from mechanical abuse, wire pullout and abrasion. Heat activated adhesive lining provides impervious seal to salt water, oil, acids, and sunlight as well as providing strain relief. Highest shrink ratio shrinks to 1 3 original size. Shrinks at 257 F 125 C.