Does this fit into a 4" clay pipe as it is slightly smaller than 4" plastic?

Yes,mine is fitted into a clay pipe. You need to squeeze it so that it goes into the pipe - then it expands when you release it to make a tight fit.

How does this fit in the pipe?

Very simple and effective; the guard is in fact a slightly oversize 4 inch diameter tube with a broad slot down it's length. - To fit it into a 4inch diameter sewage pipe you simply need to squeeze the tube to reduce its diameter, then push it into the drain pipe and, as soon as you release it, it springs back to make a tight fit in the pipe. - Takes a bit of strength to squeeze the tube down to size,but I managed it without too much hassle. When you do this, it's important to lift the hinged flap up out of the way. Hope this helps.

Will the guard prevent rubble from the pipes from getting through? I am worried it will get blocked up and cause flooding

It is on a hinge that opens to allow waste to flow out to main drains and stays closed to prevent anything like rats coming up from the main drains. I would have thought that rubble will block your drains anyway, regardless of whether you have the guard fitted or not.

I have had rats chew thru flexi pan connectors, which link the WC to waste pipe. Can these be inserted into waste, to stop rats getting at flexi pipe?

Not sure, but we connected it to a defunct pipe which lead into our house and this stopped all infestation... not sure if this answers your question.

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Roshield Rat Drain Guard | Stop Rats within Drainage & Properties | Rodent Flap Control & Prevention Proofing (Stainless Steel 6"/150mm)

Roshield Rat Drain Guard | Stop Rats within Drainage & Properties | Rodent Flap Control & Prevention Proofing (Stainless Steel 6"/150mm)

Product ID: 230999291

🔧tool-free, easy installation

🚫one-way rat-proof flap

🛡️316 marine-grade stainless steel

$298.21

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Description

🚫 Keep rats out, peace of mind in — the drain guard that means business.

BUILT TO LAST - Crafted from premium 316 stainless steel for unbeatable corrosion resistance.
VERSATILE FIT - Designed for 6" (150mm) drains with reversible flow direction bolt.
TRUSTED BY PROS - UK-made and used by pest control experts for reliable rat prevention.
EFFORTLESS SETUP - Install in minutes with no special skills or tools required.
ULTIMATE RODENT BARRIER - Stops rats dead at the drain with a chew-proof, one-way flap.

The Roshield Rat Drain Guard is a UK-manufactured, 316 marine-grade stainless steel device designed to prevent rats from entering properties through drainage systems. Featuring a one-way flap that allows waste to flow out but blocks rats from moving upstream, it installs easily without tools and fits 6" (150mm) pipes. Trusted by professional pest controllers, it offers durable, maintenance-free rodent protection for both domestic and commercial properties.

Specifications

ASIN	B08D3TYBF9
Best Sellers Rank	25,047 in Garden ( See Top 100 in Garden ) 479 in Rodent Control
Customer Reviews	4.1 4.1 out of 5 stars (38)
Date First Available	16 July 2020
Guaranteed software updates until	unknown
Item model number	RDG6
Manufacturer	Fort Products Limited
Package Dimensions	18.3 x 17.9 x 13.4 cm; 927 g
Part number	RDG6

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Smooth transaction and product arrived in perfect condition.

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$298.21

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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