what size air compressor is required?

When you decide on the air, forget hp, forget psi. You want to consider CFM in the very first place. To pull tiny particles up the hose you can survive with an 11 CFM compressor. That is basically a 60 gallon compressor. Below 60 gallons you won't sandblast anything. Now, if you go to an 80 gallons compressor, you get 15 CFM and that allows you to pull "medium" particles up the hose (like crushed glass or medium coal slag). Those particles will eat the surface nice and fast. Although the next variable is psi and the third is gun tip width, the first variable CFM is the one that either makes it work or not. As for psi, open your compressor to 90 or up to 120. As for gun nozzle, keep is small for small particles, and get it bigger like 1/4 inch for medium abrasive (abrasive is what you shoot at the surface and crushed glass or medium coal slag are the best - coal slag is also known as "black diamond").

Does a larger abrasive particulate size help compensate for lower psi/cfm? Can I use typical playground sand for basic rust removal?

No. The bigger the particulates the more clogs you will have in the end and nozzle. Playground sand will do the job and you need lots of psi. Otherwise your project will take more time than you have planned.

What kind of sand do you recommend

Silica sand. It is dry and sifted and flows into the gun well. available at your local hardware store.

Can you use 100 grit alluminum oxide media in this?

I don't see any reason why not. But remember this is just a spot sander. Not for anything but spot sanding. Unless your willing to spend all day on a small project.

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Performance Tool M545 Spot Media Blaster Kit with 510ml Hopper, 5mm Nozzle, Lightweight and Durable Gun Body, Includes Blast Media

Performance Tool M545 Spot Media Blaster Kit with 510ml Hopper, 5mm Nozzle, Lightweight and Durable Gun Body, Includes Blast Media

Product ID: 387936469

🪶Lightweight reinforced plastic body for fatigue-free handling

⚙️5mm zinc-plated nozzle for precision blasting

🛢️510ml gravity feed hopper for extended use

€ 93.25

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Description

🚀 Blast Through Rust Like a Pro—No Downtime, Just Results!

EXTENDED WORK SESSIONS - Keep your momentum with a large 510ml gravity feed hopper—less refilling, more blasting.
DURABILITY MEETS COMFORT - Engineered with a reinforced plastic body that’s both tough and feather-light for all-day use.
OPTIMIZED AIR EFFICIENCY - Consumes just 6 CFM at 90 PSI, balancing power and resource-smart operation for professional results.
PRECISION RUST PAINT REMOVAL - Blast away rust and chipped paint with surgical accuracy using the 5mm zinc-plated nozzle.
COMPLETE OUT OF THE BOX SOLUTION - Includes 2x 1kg bottles of premium Silicone Carbide blast media—ready to tackle any project immediately.

The Performance Tool M545 Spot Media Blaster Kit is a professional-grade abrasive blaster designed for quick and efficient removal of rust and paint from metal surfaces. Featuring a precision 5mm zinc-plated nozzle, a large 510ml gravity feed hopper, and a lightweight yet durable reinforced plastic body, it ensures extended use with minimal fatigue. The kit includes 2 kilograms of high-quality Silicone Carbide blast media, delivering a complete, ready-to-use solution optimized for air consumption at 6 CFM @ 90 PSI. Ideal for professionals and serious DIYers seeking reliable, high-performance surface preparation.

Specifications

ASIN	B07GW17JFC
ASIN	B07GW17JFC
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#126,211 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #35 in Power Sand Blasters
Color	red,black
Country of origin	China
Customer Reviews	4.2 4.2 out of 5 stars (225)
Customer reviews	4.2 4.2 out of 5 stars (225)
Date First Available	15 September 2023
Date First Available	15 September 2023
Included components	1 Performance Tool Branded Product
Item Package Quantity	1
Item Weight	2.68 Kilograms
Item model number	M545
Item model number	M545
Manufacturer	Performance Tool
Manufacturer	Performance Tool
Material	Plastic
Part number	M545
Power source type	Hand Powered
Product Dimensions	18.8 x 15.24 x 22.35 cm; 2.68 kg
Product Dimensions	18.8 x 15.24 x 22.35 cm; 2.68 kg
Size	Abrasive Spot Blaster Gun
Special Features	Gravity Feed, Lightweight
Style	Abrasive Spot Blaster Gun

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€ 93.25

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In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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TrustScore 4.5 | 7,300+ reviews

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