Cap Screw

Ruland Oct16-4-A Coupling, Oldham Clamp, Bore 1/4 In

You will notice the type does not apply, so it's not a specific type.

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Ruland Fcr24-12-6-A Coupling, 6 Beam Clamp, Bore 3/4 X 3/8 In

What stands out about this air filter is the simple maintenance routine it requires.

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Ruland Fcr20-6-6-A Coupling, 6 Beam Clamp, Bore 3/8 X 3/8 In

Rounded corners includes rivets, so it sits flat and stays put during use.

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Ruland Moct25-10-A Coupling, Oldham Clamp, Bore 10 Mm

A nice touch on the ULTRA2 is the non-slip feet that keep it stable on slick floors.

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Ruland Bc21-10-5-A Coupling, Bellows Clamp, 5/8In.X 5/16In.

What I like about Color Tree's is the straightforward assembly instructions.

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Ruland Pcr16-6-6-A Coupling, 4 Beam Clamp, Bore 3/8 X 3/8 In

For straightforward reliability, I always lean toward the WILTON brand.

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