zalati
✓Tank Accessories
zalati Diving Tank Cover Scuba Bottle Protector Sleeve Guard for 11-12 L - Black
$46.99
ViewPrice
$30.99
Agatige Diving Cylinder Knocker Ball, Scuba Tank Banger Diving Scuba Tank Cylinder Banger Knocker Ball Diver Signal Underwater Signal Device Divers Noise Maker for Underwater Sports (Green Ball)
★★★★★
$30.99
Options
3 availableColor: Green ball
Quantity
1
Worldwide shipping
Fast tracked delivery
30-day returns
Hassle-free returns
Secure checkout
Safe & protected
Great service
Thousands of happy customers
About this item
- Using Method - Put it on a diving cylinder, pull the strap in the water, and when you let go, the ball will hit the tank with a loud sound, By tapping the diving tank, you can make a sound and easily attract the attention of your companions.
- Much Louder - Set on your diving cylinder, pull the ball, scuba cylinder knocker makes a much louder sound than other diving equipment, practical diving accessories. By tapping the submersible tank to make a sound, they can get the attention of your mate and others without scaring the fish.
- High Elasticity - Strap part has high elasticity, that the diving knocker ball can be used on most cylinders of different sizes, can meet your different needs. Flexible loop which allows the banger to hit the tank effectively.
- Light Material - Makes sound signal underwater to get your diving buddy's attention. The diving tank knocker made of silicone and PA66 material, which is light weight, easy to carry, durable, can be used for a long time.
- Easy to Use - The knocker ball is easy to hold and use in underwater situation and environment, increase the possibility of being helped in special condition. The strap of the tank banger is stretchy, flexible and elastic, can wrap around the diving gas cylinder well, and it won't fall off easily, offering you a pleasant using experience.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
You might also like
