
Single Filament Storage Box
Print straight from a sealed, humidity-controlled container.
UPI and cards only — we do not currently offer Cash on Delivery.
Fits most 1kg spools up to 200mm diameter, 70mm width — verify below.
Will my spool fit?
| Maximum spool diameter | 200 mm |
|---|---|
| Maximum spool width | 70 mm |
| Core bore | 52–55 mm |
| Supported filament | PLA, PETG, TPU, Nylon, PA-CF |
About this product
An open spool pulls moisture out of Indian air within hours — and wet filament is what strings, pops and snaps mid-print. This box seals a 1kg spool behind a gasketed snap-lock lid, stands it on a printed roller base so it turns freely, and feeds it out through a bulkhead port, so the spool never has to come out to print. Sold single, or in sets that cost less per box for a bench running more than one material.
What's included
- Gasketed snap-lock lid with flip latches
- Printed roller base, so the spool turns while the lid stays shut
- Bulkhead feed-through port with a brass push-fit fitting
- One rechargeable, colour-indicating desiccant pack
- Takes a standard 1kg spool
Not included
- Filament spool
- PTFE tubing beyond the feed-through port — the four-bay tub includes a run per port, or buy tubing separately
Print-direct setup, step by step
- 01Load the spool
Seat the spool on the internal bearing, label facing up.
- 02Thread the PTFE port
Feed filament through the sealed grommet without opening the lid.
- 03Latch both buckles
Engage the dual buckles until the silicone gasket compresses evenly.
- 04Print as usual
Feed straight into your extruder — the container stays sealed throughout.
Evidence: sealed vs open shelf
| Sealed container, 7 days | 14% RH |
|---|---|
| Open shelf, Ahmedabad, 7 days | 78% RH |
| PETG moisture sensitivity onset | ~55–60% RH |
| Nylon / PA-CF moisture sensitivity onset | ~40% RH |
Technical specifications
| Material | Impact-resistant polypropylene, silicone gasket |
|---|---|
| Max spool diameter | 200 mm |
| Max spool width | 70 mm |
| Core bore | 52–55 mm |
| Feed-through | PTFE, 2 mm bore |
| HSN | 3923 |
| GST | 18% |
Single unit vs. bundle economics
| Single unit | Set of 2 | Set of 4 | |
|---|---|---|---|
| Price | ₹699 | ₹1,299 | ₹1,999 |
| Per unit | ₹699 | ₹650 | ₹500 |
| Savings vs. single | — | 7% | 29% |
Should you DIY this?
A gasket-sealed food container plus desiccant can absolutely keep filament dry. What this box adds: a printed roller base sized for 1kg reels, a pre-fitted bulkhead port so you never break the seal to print, and a gasket tolerance-matched to the lid at the factory rather than by trial and error.
See the full comparison →Reviews
Stopped fighting brittle CF snaps the week this arrived. Prints straight through the port now.
The bearing feed is smoother than my old cardboard-box setup. No more stringing on humid days.
Does exactly what the spec sheet says. Wish the desiccant pack were a bit bigger for our farm.
FAQ
It removes moisture as a variable. Stringing, popping and weak layers with root causes elsewhere (temperature, retraction, cooling) still need those settings fixed — this handles the humidity half.

