Rubber City #4 | Live Rosin 510 Cartridge | 0.5mL

THCa Live Rosin 510 · 0.5mL

Rubber City #4

$45.00

Rubber City #4 is a Souvenir Seeds selection of Sour D × 4 Way, chosen for its pungent sour resin and classic fuel-forward hash character. Earthy diesel and woody depth open into floral notes, finishing energetic and euphoric with a calm, grounded edge.

Select tier

Single-sourceSolventlessNo additives
Cultivar profile Rubber City #4
Lineage Sour D x 4 Way Breeder: Souvenir Seeds
Flavor

Earthy · Sour · Woody · Floral

Experience

Energetic · Euphoric · Calming

Harvest
Indoor Current Indoor Run

This indoor-grown Rubber City #4 run leans into sour fuel, earthy depth, and woody florals with an energetic lift and calm finish.

Lab results
Badger Labs Lab ID 55027753 · Jun 2, 2025

THCa 76.440% · Total cannabinoids 82.463%

View full COA ↗
Explore the Rubber City #4 strain → Customer reviews ↗
Format

0.5mL 510 cartridge

Hardware

Cotton-free, all-ceramic

Inside

Strain-specific solventless live hash rosin

Product information

Compare our tiers

Each tier represents a different resin selection, with its own balance of flavor, refinement, and full-spectrum character.
Tier 1Most refined

Highest refinement

Micron range
119µ–90µ
Wash range
Primarily first wash
Flavor
Maximum terpene expression
Character
Cleanest, most focused profile
Best for
The most refined experience
Tier 2

Balanced selection

Micron range
159µ–73µ
Wash range
First and second wash
Flavor
Excellent flavor and complexity
Character
Rich profile with more body
Best for
A balance of refinement and value
Tier 3

Full-spectrum

Micron range
159µ–45µ
Wash range
First through third wash
Flavor
Bold, layered flavor
Character
Broad, full-bodied profile
Best for
A broader full-spectrum experience

Our process

From fresh frozen to 510

Single-source resin, extracted and filled in-house without distillate, added terpenes, or fillers.
  1. 01

    Fresh frozen

    Whole plants are frozen promptly after harvest to preserve their aromatic compounds and resin.

  2. 02

    Wash and grade

    Ice water separates the trichome heads before each wash and micron range is evaluated for its tier.

  3. 03

    Press and prepare

    Selected hash is pressed into rosin and carefully prepared for a smooth, strain-specific cartridge experience.

  4. 04

    Fill the hardware

    The finished rosin is filled into a 0.5mL cotton-free, all-ceramic cartridge with nothing added back.

Care & use

Pair it well and protect the rosin

The right battery settings and a few simple habits help preserve flavor and airflow from the first draw to the last.
01

Use a 510 battery

Pair with a compatible 510-thread battery, thread it on gently, and avoid overtightening.

02

Start at low heat

Begin at the battery’s lowest setting and increase only if needed to protect the rosin’s flavor.

03

Store upright and cool

Keep the cartridge upright at a cool room temperature, away from direct sunlight and prolonged heat.