Question 1

Do these fit harbor freight hvlp purple gun?

Accepted Answer

Yes sir, and any other gun line they carry.  I buy these frequently and have different quality guns for different purposes; still all HF

Question 2

Which waydo filters go

Accepted Answer

round ball up

Question 3

What is the outside diameter of the filter?

Accepted Answer

They are soft plastic, but the best measurement of an unused filter is 0.44" or about 11.3 mm. I use these in the only HVLP, gravity-feed sprayers that I have, which are all HF. As you are probably aware, there is no consistency between sprayers (other than their color), which is probably due to different manufacturers. You need to check the height of the filters (almost an inch at 0.94", not counting the stem), not just the diameters. They need to be snug when the cup is screwed into the sprayer, not crushed. You can test that by seeing if you can wiggle it from the stem. If the filter is too tight, it will twist. If it's too loose, it won't filter. The base of the filter can be sanded down by almost 3 mm. If the filter is too wide, make sure the sleeve where it inserts is clear if any old spraying material. Removal of the metal filter sleeve, if needed, requires an 8 mm allen wrench (and a good vice to hold it the first time). On some of my HF sprayers, I have had to narrow the diameter of the filter bases slightly. You can use a sanding disc or even an emery board for that, just don't overdo it! I have been successful doing that for all 6 of my sprayers.

What makes these "disposable" is their price. But I don't throw them away. They last me for a very long time. I have a sprayer designated for each unique product: enamel, shellac, acrylic (water-based polyurethane), oil-based polyurethane and lacquer. They each have their unique cleaning requirements, so you may need water, DNA, mineral spirits or lacquer thinner, depending. Clean the sprayer with the filter in it, then clean the filter separately. Place it back in the sprayer and blow out any residual liquid. Disassemble it again and let it completely air-dry.

Question 4

do these fit into the Husky Gravity feed gun??

Accepted Answer

I've one from Eastwood  and Graco,they fit in both,you should be ok.(Graco uses a fat strainer).

ASIN	B07L1C9WGP
Best Sellers Rank	#35,889 in Automotive ( See Top 100 in Automotive ) #40 in Body Repair Paint Spray Guns
Brand	TCP Global
Customer Reviews	4.5 4.5 out of 5 stars (1,286)
Date First Available	November 30, 2018
Item Weight	2.08 ounces
Item model number	13
Manufacturer	TCP Global
Manufacturer Part Number	SG-192-24PK
Package Dimensions	9.41 x 3.94 x 0.55 inches
Special Features	Gravity Feed, Low Pressure

TCP Global Disposable HVLP Gravity Spray Gun Filters Fine Mesh (Pack of 24)

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