Why this is not good for pvc pipe ?

PVC pipe does not have the same dimensions. Also, the knobs on the side are made for wood and do not always allow for a good fit. If you want to install one of these on a PVC duct for a furnace I suggest a termination vent like this - https://ventmastersstore.com/collections/pvc-termination-vents/products/3-round-pvc-termination-vent

Does this fit into the end of the exterior 3" pvc furnace vent pipes? [as does "raven tvs3ss 3" vent pvc termination screen" product]

Manufacturer states not for PVC.

What is the net free ventilation area?

Pie X Radius minus 12% for the screen. So...3.146 X 1.5 = 7.07 inches of area, -12% = 6.22". Net size of the hole is 6.22". (or there abouts)

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Maurice Franklin Aluminum 3-Inch Open Screen Vent for Insects, 4 Pack

Product ID: 64408988

Details

Brand
Maurice
Color
Mill
Included Components
4 vents
Material
Aluminum
Product Dimensions
3"L x 3"W x
Shape
Round

🔩Fits standard 3-inch round holes

🌬️Aluminum for lightweight durability

🛠️4-pack for versatile multi-use

€ 31.23

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Description

🌬️ Elevate airflow, elevate your space—vent like a pro!

SLEEK MODERN DESIGN - Minimalist round shape in a mill finish blends seamlessly with contemporary setups.
MULTI USE VERSATILITY - Perfect for insect cages, reptile terrariums, spice racks, and soffit ventilation—upgrade your space with style.
QUAD PACK CONVENIENCE - Four vents per pack to cover multiple projects or create consistent airflow zones.
PREMIUM ALUMINUM BUILD - Rust-resistant, lightweight metal ensures long-lasting ventilation without warping.
EFFORTLESS INSTALLATION - Snaps into standard 3-inch holes with secure side knobs—no fuss, no extra tools.

This 4-pack of 3-inch aluminum open screen vents by Maurice Franklin offers lightweight, rust-resistant ventilation solutions designed for easy installation in wood. Ideal for insect and reptile cages, display cases, and soffits, these vents fit standard round holes and secure firmly with side knobs, combining durability with sleek modern aesthetics.

Specifications

ASIN	B01DXASSZW
Additional Features	Lightweight
Best Sellers Rank	#400,553 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #162 in Soffit Vents
Brand	Maurice Franklin Louver
Brand Name	Maurice Franklin Louver
Color	Mill
Customer Reviews	4.5 out of 5 stars 334 Reviews
Included Components	4 vents
Item Dimensions L x W x H	3"L x 3"W x 3"H
Item Shape	Round
Manufacturer	Maurice Franklin
Manufacturer Part Number	RS-100 3"
Material	Aluminum
Material Type	Aluminum
Number of Items	1
Pet Type	Reptile
Product Dimensions	3"L x 3"W x 3"H
Product Style	Modern
Set Name	4-Pack
Shape	Round
Special Feature	Lightweight
Specific Uses For Product	[BOTH]
Target Species	Lizard
UPC	738312063054
Unit Count	4 Count
Vivarium Type	Terrarium

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€ 31.23

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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