Camco 40597 Cyclone Sewer Vent Cover

The Camco 40597 Cyclone Sewer Vent Cover is a wind-powered RV plumbing vent cover described as rotating 360 degrees to follow the wind. Its listed purpose is to help draw holding-tank odours out of an RV, without drilling into the rooftop according to the listing.

At a glance

Listing says the cover rotates 360 degrees to follow the wind.
Wind-driven operation is intended to help draw holding-tank odours out of an RV.
Listing says it attaches to RV plumbing vents and requires no drilling into the rooftop.

Price

$41.23Save 17%

Reference price: ~~$49.61~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Wind-powered operation is presented as a way to draw holding-tank odours out without relying on a powered fan.
The listing describes an installation that attaches to RV plumbing vents without drilling into the roof.

Technical specifications

6 specifications

Identity
Brand	Camco
Model	40597

Operation and controls
Control methods listed	Touch
Power configuration	hand_powered

Dimensions and installation
Mounting types listed	Roof Mount
Form factor	Flat, Roof Mount

What to know before buying

Listing details to confirm

The listing's dimensions conflict: one entry gives 8.6D x 11.5W x 3.4H centimetres, while another gives 29.21 x 21.92 x 8.59 cm; 0.28 g. Confirm the relevant dimensions before purchase. It also describes the item as wind-powered, while technical fields list hand_powered power and Touch controls, and the title specifies black while the colour field says Multi. These details are inconsistent or unconfirmed.

What’s in the box

Included

Camping RV Sewer Vent Cover

Who is it for?

A good fit for

RV owners looking for a wind-driven plumbing vent cover intended to help reduce holding-tank odours.
Buyers seeking a vent-cover installation that the listing says does not require rooftop drilling.

Less suited to

Buyers who need confirmed dimensions or a clearly specified power and control arrangement before ordering.

Camco 40597 Cyclone Sewer Vent Cover · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 1,315 ratings

5 stars74%74%
4 stars17%17%
3 stars5%5%
2 stars1%1%
1 star3%3%

Customer feedback highlights perceived odour reduction, quality, straightforward installation and satisfactory airflow. Experiences with the swivel feature and durability are mixed. For RV owners considering the listing's wind-driven, rotating design, those mixed reports make swivel operation and long-term durability useful points to weigh. Aggregate ratings lean positive, but ratings alone do not explain individual experiences.

Positive themes

Customers report odour reduction and satisfactory airflow.
Feedback describes installation as straightforward and comments positively on quality.

Mixed feedback

Customer feedback is mixed on the swivel feature and durability.

Frequently asked questions

What is the Camco 40597 Cyclone designed to do?

The listing says wind rotates the cover to help draw holding-tank odours out of an RV.

Does it need holes drilled in the roof?

The listing says it attaches to RV plumbing vents without drilling into the rooftop.

Are its dimensions clear?

No. Two different dimension sets are listed, so confirm the dimensions for the selected listing before purchase.

What do customers report about it?

Customer feedback mentions odour reduction, quality, installation and airflow positively, while experiences with swivel action and durability are mixed.