Omega Paw NRA15 Self Cleaning Litter Box Regular Size
- Litter Box
- Polypropylene (PP)
- Cat
- 1
- More reviewed than 98%
A no-electricity, roll-to-clean litter box for owners who want less daily scooping without an electric unit's cost or upkeep.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 52 litter boxes we track
3.8★ across 16,800 Amazon ratings, Bayesian-smoothed toward the category average.
16,800 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
50+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 52 litter boxes we track - how the scorecard works · full litter boxes data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Omega Paw's NRA15 skips electricity altogether, using a roll-to-clean mechanism to sift waste out of a regular-size litter box by hand, without liners or filters.
No motor, sensor or filter sits inside this box, just a rolling mechanism you turn by hand to sift clumps through a grate into the base. That keeps ongoing cost down to litter alone, unlike electric self-cleaning boxes that need replacement trays or filters. The bought-past-month figure on this listing runs well below the other litter products in this batch, which may simply reflect an older, established model rather than a new release.
- Regular size manual self-cleaning litter box
- No electricity, liners or filters required
- Roll-to-clean grate separates waste from clean litter
- Includes top, bottom, grate and scoop
Who it's for
Cat owners who want fewer daily scooping trips without paying for an electric self-cleaning box will get the most from this design. Households with a large cat or several cats sharing one box may find the regular size cramped.
Strengths and trade-offs
Drawn from this product's published specifications.
- No electricity, batteries or filters needed
- Lower ongoing cost than motorized self-cleaning boxes
- Cleans in one roll rather than daily scooping
- Regular size may be tight for large or multiple cats
- Rolling mechanism takes manual effort rather than running automatically
Performance notes
The mechanism works by rolling the whole unit, which sifts clumps through a grate into the base while clean litter falls back through, so cleaning takes a physical roll rather than a button press. Because it has no liners or filters to replace, ongoing cost is limited to litter itself, though the polypropylene shell and grate are the parts most likely to show wear over time.
Specifications
| Brand | Omega |
|---|---|
| Model | NRA15-1 |
| Dimensions & fit | |
| Item Weight | 4.5 pounds |
| Item Dimensions L X W X H | 16.5 × 18.5 × 17 inches |
| Size | Regular |
| Construction & materials | |
| Material Type | Polypropylene (PP) |
| Color | Brown Top with Grey Base |
| Included components | |
| Unit Count | 1 |
| Included Components | top, bottom, grate and scoop |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Litter Box Type | Automated Self-Cleaning Litter Box |
| Pet Type | Cat |
| With Lid | No |
| Additional Features | Cleans in seconds, Manual Self Cleaning Litter Box, No electricity Required, No liners or filters, Reduces dust and odor, Saves clean litter |
| Asin | B07DTJB854 |
| Target Species | Cat |
| Best Sellers Rank | #52,230 in Pet Supplies (See Top 100 in Pet Supplies) #145 in Self-Cleaning Cat Litter Boxes |
| Item Type Name | Improved Self Cleaning Litter Box |
| Manufacturer | Omega Paw |
| Upc | 620661664238 |
| Model Number | NRA15-1 |
| Style | Original Model |
| Manufacturer Part Number | NRA15-1 |
Other Omega litter boxes
How it compares
This product against the closest alternatives we track in litter boxes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Omega Paw NRA15 Self Cleaning Litter Box Regular SizeThis product | 3.8 / 5 | 16,800 | 3.9 / 5 |
| PetSafe ScoopFree Self-Cleaning Cat LitterboxPetSafe | 4.1 / 5 | 10,705 | 4.2 / 5 |
| Neakasa M1 Plus Open-Top Self-Cleaning Cat Litter BoxNeakasa | 4.0 / 5 | 4,371 | 4.1 / 5 |
| Automatic Cat Litter BoxAutomatic | 4.2 / 5 | 841 | 4.1 / 5 |
| Petcove Automatic Self Cleaning Litter Box for Multiple CatsPetcove | 4.0 / 5 | 2,538 | 4.0 / 5 |
Similar litter boxes from other brands
Questions about the Omega NRA15-1
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does this litter box need electricity?
No, it uses a manual rolling mechanism instead of a motor.
What's included with the box?
The listing includes the top, bottom, grate and a scoop.
What size cats does it fit?
It's the regular size box; owners with larger or multiple cats should check Omega Paw's larger sizes.