3M Scotch-Blue 2080 Safe-Release Delicate Surfaces Painters Masking Tape , 19 lbs/in Tensile Strength, 60 yds Length x 1" Width, Blue (Pack of 4) 656591090878 With an ultra thin ring

With an ultra thin ring you can use this filter on a wide angle lens with minimal viginetting

It has more flow capacity and features a single 1/2" pipe thread inlet port and two 1/2" outlet ports with a 7/16" restriction

Brand CR Brophy Machine Works Model RHS2

Brand: BSI

Model: 458BD-BOX

3M Scotch-Blue 2080 Safe-Release Delicate Surfaces Painters Masking Tape , 19 lbs/in Tensile Strength, 60 yds Length x 1" Width, Blue (Pack of 4) 656591090878 With an ultra thin ringSpecially formulated adhesive holds strongly and yet removes easily with no surface damage Low to medium adhesion levels for delicate surfaces allows for repositioning Delivers sharp paint lines Applies quickly and easily Removes cleanly with no residue This tape removes cleanly without adhesive transfer or surface damage for up to 60 days even in direct sunlight. It is a low medium adhesion tape that is ideal for smooth, freshly painted surfaces,