Reddit reviews Heavy Wall Round Tubes - Clear 4.0" Round HVY Wall x 48" Tube MOCAP PRT00077 (qty2)
We found 1 Reddit comments about Heavy Wall Round Tubes - Clear 4.0" Round HVY Wall x 48" Tube MOCAP PRT00077 (qty2). Here are the top ones, ranked by their Reddit score.
Durable and StrongExtruded and cut to the length you require for your applicationStocked in 4 foot lengths and sold in box or mini-pack quantities
Something like this? The shipping is a bit stupid on that, but you might be able to follow the universe of "see what others bought!" links to something cheaper.
Here's one a bit smaller but a quarter the price (including shipping).
Edit: WTF, those are literally links to 4"x4' transparent tubing on Amazon.