Are the 3” caps flat on the top or curved? I need to screw it to a flat surface.

The 3" cap is a little curved, it's not a very flat surface, but the angle of the bend is small.

The space/hole I need to cover is 4.5" in diameter. It needs to be 1.75" from the wall. Will this cover It? Thanks.

The inner diameter of the 4-inch cap is 4.50IN, but I don't quite understand that you said that the width of the 4-inch cap is 1.75IN from the wall, and the width of the 4-inch cap is 2.40IN. You can have a look at the second picture shown, all of which are sizes, and you can check whether it meets your needs, thank you!

Can you confirm is the top of the CAP is flat or curved - answers conflict on this page?

It's not flat, it's not domed, it's just a little bit curved.

Are the 1-1/2" caps flat or domed on the bottom?

The bottom of the 1-1/2 cap has a slight curvature, it is not completely flat, nor is it round, there will be a little convex curvature.

2 Pack 3" PVC Pipe End Cap Fitting, Schedule 40 Furniture Grade PVC Pipe End Cap Plug Adapter, White 3" PVC Pipe Plug Socket Fittings for Build PVC Furniture DIY Garden Shelf

2 Pack 3" PVC Pipe End Cap Fitting, Schedule 40 Furniture Grade PVC Pipe End Cap Plug Adapter, White 3" PVC Pipe Plug Socket Fittings for Build PVC Furniture DIY Garden Shelf

Product ID: 441683815

Details

Brand
Lswteiz
Colour
White
Connector type
Cap Plug
Material
Polyvinyl
Size
3 Inch

⚡Lightweight & easy install

❄️Frost & corrosion resistant

🛠️Schedule 40 heavy-duty PVC

Description

🔧 Cap off your projects with pro-grade PVC power!

BUILT TO LAST - Crafted from high-impact, furniture-grade Schedule 40 PVC for unmatched durability and strength.
EFFORTLESS ASSEMBLY - Lightweight design with socket end ensures quick, secure installation using standard primer and solvent cement.
WEATHERPROOF WONDER - Engineered to resist frost, corrosion, and outdoor elements—perfect for indoor and outdoor projects.
CERTIFIED CONFIDENCE - Meets ASTM D2466, D1784, and NSF standards for reliable, professional-grade performance.
VERSATILE APPLICATION - Ideal for DIY furniture, garden shelves, irrigation systems, and cold water supply lines—your all-in-one solution.

This 2-pack of 3" Schedule 40 furniture-grade PVC pipe end caps offers heavy-duty, frost and corrosion-resistant protection for your DIY and plumbing needs. Lightweight and easy to install, these certified fittings are perfect for indoor/outdoor use, from garden shelves to irrigation systems.

Specifications

ASIN	B09VYTPXSQ
ASIN	B09VYTPXSQ
Best Sellers Rank	#31,783 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #151 in Industrial Pipe Fittings
Brand Name	Lswteiz
Color	White
Connector Type	Cap, Plug
Customer Reviews	4.6 4.6 out of 5 stars (624)
Customer reviews	4.6 4.6 out of 5 stars (624)
Date First Available	12 May 2022
Exterior Finish	White
Item Weight	0.47 Kilograms
Item model number	Lswteiz-2PCS-White-Cap-220319
Manufacturer	Lswteiz
Manufacturer	Lswteiz
Material Type	Polyvinyl Chloride
Model Number	Lswteiz-2PCS-White-Cap-220319
Number of Pieces	2
Package Dimensions	20.09 x 10.9 x 6.91 cm; 472 g
Size	3 Inch
Thread Size	3 Inch
Thread Type	UN
UPC	825665998895
Unit Count	2.0 Count

Reviews

L**N

Satisfecho con el producto

4.09.2024

R**L

Good quality, did the job. Was as listed in the advertising

23.10.2024

S**S

Very heavy duty product was as advertised

5.02.2026

J**G

Excellent Fit! and quality all around .. JG

15.03.2026

G**Y

it fits well is schedule 40

18.01.2026

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